Mary has a new roommate, and everyone who meets her finds her strange. When Mary finds out that Rachel is a sleepwalker, she is uncomfortable, but still trusts her. She recently escaped a toxic relationship and could use a new friend. Gradually they become friends and Mary discovers that they have more in common than she expected. But in reality it is not a coincidence. Rachel found out a lot about Mary, she knows maybe more about her than she does herself and she knows how to use it properly...