The Neighbors (I-ut saram)
On a rainy night, Yeo-Seon, a middle school student, disappears on her way home to her apartment. Ten days later, his body was found in a red suitcase. Gyung-Hee, her guilt-ridden stepmother, is shocked by the appearance of Soo-Yeo, a girl who looks like Yeo-Seon. When the killer strikes again, the neighbors begin to suspect Seung-Hyuk, but can they stop him before the next victim falls?