Luck-Key

Hyung-wook, an infamous assassin known for his perfection, slips on soap at a public sauna and passes out. Jae-sung, a not famous unknown actor who’s hit rock bottom, witnesses the accident and switches his locker key with Hyung-wook’s. Jae-sung opens the locker to find the key to a fancy car which leads him to a luxurious condo along with the full wealth and secrets of a successful hit man. On the other hand, Hyung-wook wakes up with amnesia. And the only clue he has for his identity are the outstanding payment bills.