Actors: Seong-woo Bae,Jang In-sub,No Jeong-ee,Eom Ji-won,Hyeon-ju Son Genre: Year: 2015 Imdb:click here
"If you think this admittedly ludicrous plot sounds familiar, it does: it's similar to 2000's "Frequency" starring Dennis Quaid and Jim Caviezel, with a father-son focus, and an old radio instead of a husband-wife focus and phone, respectively"