The story begins with two teenagers watching a film about a series of mysterious kidnappings in Gotham City. Unexpectedly, the figure in the film seems to be Batman. On the street, when a mysterious figure captures a woman, Green Lantern Hal shows up to rescue him. When he gets to the other side, who is clearly the terrifying alien apocalypse, Batman Bruce appears to deal with it. Unexpectedly, the other party dropped the woman from the sky, so Green Lantern hurriedly went to a room made of energy rings to catch the woman and place it on the roof. ” protested and turned to the Apocalypse Demon. At this time, the helicopter of the Gotham Police Department appeared, which hindered the two. Apocalypse Demon tried to leave, and Batman chased after him, while Green Lantern was full of opinions on Batman who met for the first time. The two heroes went down the sewers and found that the Apocalypse Demon was installing and starting the Mother Box. Green Lantern rushed to it directly, but the Apocalypse Demon detonated itself. Batman and Green Lantern examine the mother box, deduce that it is an alien object, and decide to ask Superman at Metropolis for answers.
Another mother box was being researched sleeplessly by Dr. Silas in the STAR laboratory, and Barry (The Flash), who provided Silas, called him to inquire about the progress of his research. It was only after the call was over that Barry realized that his own share of the burrito he had bought was gone. Silas checked his phone to find the football text message his son Victor had sent him, but he seemed to ignore it and continued to research. On the other hand, at the football game, a hooded teenager tricked the ticket collector into the venue to watch Victor's game. After Victor tried to win, he found that his father still didn't come. In front of [[White House]], a group of protesters surrounded Wonder Woman and her boyfriend Steve's car because of their dissatisfaction with Wonder Woman Diana. Wonder Woman got out of the car to check and found out that they were against herself, because She stunned everyone with a smile and swung her sword, and was criticized for her clothing that looked like [[prostitute]], she thought it was strange and used a noose to force a man to tell the truth, it turned out that this was not what he really thought, the man Wonder Woman can feel at ease when she feels that Wonder Woman's clothes will make her full of power. Back in the court lounge, Victor expressed his disappointment to his father on the other end of the phone. After hanging up, the hooded boy ran and hid behind the door. It turned out that he was being hunted by the staff, and Victor helped the boy escape. The teenager seemed to be a fan of Victor. The two chatted, and Victor suddenly realized that the teenager was gone and his jersey was taken away.
Batman and Green Lantern arrived in the city and found Superman who was battling Apocalypse Demon with radar. Green Lantern locked Batman proudly. Superman felt that something was wrong with these two strangers, and he was still holding a box like the Apocalypse Demon, so he stepped forward to confirm. The two sides fought, and the two were not Superman's opponents at all. But after a while, when Batman said he wouldn't kill people and the name "Clark", Superman stopped and used his red-eye ability to identify him as Bruce Wayne. Superman said that he didn't know about the mother box either. At this time, the Gotham police came again, so the three of them hid in the sewers, and the three began to cooperate. On Apocalypse, Dessard reflected on his master Darkseid that the superheroes on Earth began to thwart their plans for an invasion.
Victor arrives at STAR Labs, where his father explains to him how important Metahumans are to even make Victor's football useless, but this hurts Victor. In the Daily Planet, Superman, Batman and Green Lantern discover mysterious devices installed everywhere, even STAR Labs. The mother box of the laboratory was removed from the device by an angry Victor, but the box exploded due to being activated, Victor was seriously injured, and most of the apocalypse demons invaded the laboratory, while Silas and two others hurriedly He took him to a high-tech hospital bed and used various techniques to save his son. But it was still difficult to save his life. At this time, a large number of Apocalypse Demons began to appear all over the world and captured humans.
Suddenly, Victor's body seemed to recover her heartbeat because of the liquid spilled from the mother box, and the mechanical shell and laboratory equipment she was lying on suddenly merged with Victor, and it became a quantum computer . The biochemical man, he stood up to fight the Apocalypse Demon who broke in. The Flash then rushed to the scene to save everyone, and Cyborg Victor's system showed the invasion plan of Apocalis and Darkseid. Hooded teenager Billy Batson in a foster home discovers the apocalypse in the courtyard, and rushes out to magically transform into the hero Shazam and fly into the sky. The [[Air Force One]], which the President and the President's wife were on, was also attacked by the Apocalypse, and at this time Wonder Woman came forward to meet the enemy, while Superman came here to kill the enemy and support the runaway plane. Later, Superman, Batman, Green Lantern, Wonder Woman, Shazam and The Flash gathered to discuss the situation, Cyborg also flew over, saying that he had been in contact with the enemy's technology. He testified. Cyborg shows that Darkseid, who invaded Earth, is a formidable opponent, with the power to defeat all heroes. At this time, Darkseid and a large number of Apocalypse Demons appeared. Green Lantern and other heroes were unable to resist, and the two easily launched a battle in the urban area.
Darkseid chases Superman and the Flash with "Omega Ray", the Flash escapes but is out of breath, and Superman is shot and captured by the Apocalypse. Batman and Green Lantern discussed the strategy with everyone. After talking about Batman, he revealed his true identity, and in order to save Superman, he pretended to be a civilian and was deliberately captured by the Apocalypse Demon, all the way to the star of Apocalypse in the time-space cave. Green Lantern, who had broken his right hand, acted as the commander, leading everyone to fight according to the plan. The childish Shazam rushed over first, but was sent flying by the enemy. Shazam acted obediently with everyone after being taught a punch by Wonder Woman. The heroes' plan was to prevent the opponent from using "Omega Ray", which is to destroy his eyes first. After Batman arrived at Apocalypse, he defeated the Apocalypse Demon and revealed his original bat suit. At this time, Superman had been fixed on the device by Dessard and had been brainwashed. After discovering Batman, Dessard pressed the button on the console and let the digital apocalypse in. At this time, Superman killed Dessard and Apocalypse. Due to brainwashing, Superman attacked Batman. Later, Batman successfully helped Superman escape.
When the heroes fought Darkseid at sea, Wonder Woman pierced his right eye with a sword, which made the opponent angrily hit Wonder Woman all the way to the city, and the heroes then stepped forward to deal with it again. The Flash was instructed by Wonder Woman to successfully blind Darkseid's other eye with a fire brigade's crowbar. Cyborg uses its own device to connect the mother box, intending to open the time-space cavity, but the energy is not enough, then Shazam comes over and injects energy into the mother box with the summoned lightning, so that Batman and Superman return to the earth through the time-space cavity. Although the Apocalypse Demons were all sent away, only Darkseid was still resisting, and he also tried to take away Superman, who was a Kryptonian. Everyone fought hard, and in the end, Superman and Wonder Woman forced Darkseid together. De left the earth. Shazam, who was exhausted and turned into a child, was caught by Cyborg. Cyborg was surprised that Shazam was Billy, and made an appointment with him not to tell anyone his secret identity. After the victory of the heroes, the people gathered around. They thought that the heroes who had always been hated by the public. With the peace of the world, everyone applauded them and won their trust, and they were honored to be praised at the White House. Green Lantern was seen on stage by Batman, and it was Wonder Woman, not Green Lantern, who called the shots in her absence (because Cyborg passed the footage to Batman privately). The heroes are happy that everyone likes them, and even Cyborg's father, Settra, came to the scene to show his support. Superman thinks that they are not a team but is very happy to meet someone they like, while Wonder Woman tells the gods that the seven of them represent. Steve, who was on the side when Superman and Wonder Woman looked at each other, suddenly turned and left. Green Lantern says he doesn't like team action, Flash disagrees because he likes team action, Batman says there should be a team if a similar threat occurs again, the president asks if they have a team name, then Shazam Suddenly said "Yes!" and proposed "Super Seven", which surprised the seven and no one agreed. Shazam asked "Why, you don't like it?" in confusion.
At the end of the credits, an Atlantis submarine emerges from the sea, and the Sea Lord appears holding a corpse, which appears to be his king. Seeing the various sea creatures die as a result of Darkseid's attack, he vows revenge on those on the surface.
