Contracted movie plot

Samantha (Najarra Townsend) originally made an appointment to go to a nightclub with her girlfriend Nikki (Katie Stegeman), but she met her friend Alice (Alice Macdonald) and liked her The boy Riley (Matt Mercer), the only one who didn't see Nikki. After three rounds of drinking, the lonely Samantha drank and drank herself, but unexpectedly encountered atrocities by a man. After an unforgettable night, Samantha returns to her troubled life. Unexpectedly, within a few days, she discovered various abnormalities on her body, inexplicable bloodstains, terrifying and harsh auditory hallucinations, bloodshot eyes , livedo spots on the skin, and lost teeth. From Alice's mouth, the man who abused her seems to be an extremely dangerous figure that the police are trying their best to track down. The girl who was like a flower a few days ago has now turned into a terrifying corpse.