Followed by Ma Seok-do, who heads to a foreign country to extradite a suspect. However, he discovers additional murder cases and learns about a killer who had committed crimes against tourists for many years.

Small-town girl Deokee is abandoned by university professor Hak-kyu after a lusty affair, and vengefully approaches him 8 years later when he starts suffering from blindness.

Thrown straight into a dangerous mission with none of his memories intact, a man must escape death while trying to figure out who he is, how he ended up here, and who is the mysterious voice in his ear calling him "Carter"?