Locked in her deceased mother's rundown house, Mia is desperately trying to contact her. As she moves from ritual to ritual, she accidentally opens the doorway to an evil and very familiar presence...

Who breaks the rule shall take responsibility for it. There is a superstition in Korea that no one should visit a wake when there’s a baby under three weeks among the family members; but Woo-jin doesn’t believe it. He receives a text message that his ex-girlfriend passed away, and despite his wife’s dissuasion, he goes to the wake and mourns for her. After that day, strange things start to happen, and his baby becomes sick without reason. His wife now demands him to transfer this misfortune to other people by stealing a few things- two things from any store, one thing from a stranger.

He tells Valeria's story, a woman who has been trying to have a child for some time. Suddenly, the same night in which she finally confirms her pregnancy visits her a strange presence. From that moment on, the monstrous creature persecutes her by keeping her pregnancy, her couple and the life of her future baby in a risky.

A young girl struggles to prepare a presentation about her family tree for the upcoming meet-the-parents, as a supernatural entity begins to take notice.

3 collage students (Thalia, Erlan and Ahmad) majoring in psychology study a mentally ill patient for their thesis material because the patient's illness was considered strange. Nina is 19 and she has suffered from mental illness for 3 years, she once declared cured but relapses again and so on.