Bob () is a secret agent, dashing he worked for CIA () has achieved a lot. He once broke into the bandit’s nest single-handedly and took the head of the bandit’s head straight; he once prevented terrorists from planting bombs in New York; he also stopped drug dealers and caught wanted criminals. In the eyes of the CIA executives, Bob is an omnipotent super agent.
When Bob has no tasks, he will wear silly black-rimmed glasses back home and live the life of an ordinary person. He is now ready to retire, so he moved to his current residence-next door to his girlfriend Gillian's house. However, Bob has another difficult task-taking care of the children. These three children are not Bob's flesh and blood, but Gillian's baby. Because Gillian had something to go out temporarily for a few days, she entrusted the child to this unexceptional and honest Chinese man to look after. Many years of acting as an agent made Bob know no housework or take care of children. After a few days of getting along, Bob and the child finally built up a little trust. Just when things started to get better, one of the children accidentally downloaded a secret code on the computer. This code not only attracted Russian terrorists, but also attracted a lot of secret agents from other countries. In an instant, the peaceful life of Bob and his three children disappeared.
Desperate, Bob had to take the three children with him, picked up a variety of secret agents, and went to war with those bad guys and colleagues who wanted to steal secrets. It seems that being a stepfather who can protect his children is the biggest challenge in Bob's career
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