Hwayi:A Monster Boy (2013) Full Movie English Sub

 Summary:

A 5 member gang, led by Seok Tae, kidnaps a baby boy named Hwa Yi and raises the baby like their own son. The baby boy is now 17 years old and has turned into a lethal killer. Taking part in his father's gang, Hwa Yi learns about his own past. Hwa Yi pulls out his gun to find out who he really is.