The Phone

Deo Pon is a movie starring Sung-Woo Bae, Son Hyeon-ju, and Lim Il-Gyu. A magnetic field anomaly allows a man to phone back into the past to his wife, who was murdered years ago. But to save her, he must identify the killer now and...
When his wife is murdered, Dong-ho loses the light in his life, breaks down and falls into depression. But he knows that as long as the killer is still around, he can not get out of his loss. Then, one day, he receives a call and can not believe who he is listening to.