Sleep

The TV actor Hyun-su and his pregnant wife Soo-jin, who works in an office, live happily in an apartment building. His neighbor from the floor below is an old man that complains the noise they make during the night. One day, Soo-jin finds that Hyun-su is sleepwalker, and they go to a sleep clinic to treat him. The medicine does not work and one night Hyun-su kills their dog by putting it inside the refrigerator. Soo-jin delivers a baby girl, and her mother brings a shaman to their apartment afraid that Hyun-su harms the baby. The shaman tells them that Hyun-su is possessed by an evil spirit and she can only help if she learns his name. She suggests that it may be one former boyfriend of Soo-jin, since she is very beautiful. She lists their names but finds on the Internet that they are all alive. Meanwhile, Hyun-su changes medication and improves his sleepwalking problem. When his wife learns that her old neighbor has died, she becomes obsessed that Hyun-su is possessed by his spirit and stays awake to protect her newborn, affecting her judgement. Or not?