Blood Simple(피는 멈추지 않는다)

Mi-ja leaves her son O-hun at her brother Yeon-ho's home and vanishes. Since being unwillingly left with O-hun, Yeon-ho hears news that her mother Mi-ja is in Paju city. He searches for her there, but to no avail. On his father's memorial day, Mi-ja comes back with a strange man.