A refrigerator truck with naked bodies of four females is found on the border of Finland. Each of the girls share the same neck tattoo that resembles a house. The identities of the the girls are yet to be found. Three years later, the police arrest Valeria Mazyane, an orphaned girl and a recent Islam convert who lives in Moscow in a Kyrgyz immigrant community. The police believe she killed her husband’s brother. It turns out that Valeria is not an orphan after all, and her past is as mysterious as the man’s murder. And under her wedding hijab, there’s a familiar house tattoo.

Busan local Tae Jung who is studying English in Seoul, and his roommate In Gyu meet a girl named Ji Hye. Next day, while waiting for Ji Hye's phone call, Tae Jung suspects that In Gyu's night out might have some connection to Ji Hye.