Jong-su bumps into a girl who used to live in the same neighborhood, who asks him to look after her cat while she's on a trip to Africa. When back, she introduces Ben, a mysterious guy she met there, who confesses his secret hobby.
A woman wakes in a cryogenic chamber with no recollection of how she got there. As she's running out of oxygen, she must rebuild her memory to find a way out of her nightmare.