Jae-sung enjoys a sudden life of luxury, while Hyung-wook, believing he is a penniless actor, uses his natural "killer" instincts to become a breakout action movie star.

is a hit 2016 South Korean action-comedy about a ruthless assassin and a struggling actor who accidentally swap identities. The title is a clever pun on "Lucky" and the "Key" to a bathhouse locker that sets the plot in motion. 📽️ Essential Plot & Characters

Yoon Jae-sung , a failed, suicidal actor at the same bathhouse, impulsively swaps locker keys with the unconscious hitman.

The story kicks off when , a perfectionist hitman, slips on a bar of soap in a public bathhouse and develops amnesia.

Luck-key 〈ESSENTIAL × 2024〉

Jae-sung enjoys a sudden life of luxury, while Hyung-wook, believing he is a penniless actor, uses his natural "killer" instincts to become a breakout action movie star.

is a hit 2016 South Korean action-comedy about a ruthless assassin and a struggling actor who accidentally swap identities. The title is a clever pun on "Lucky" and the "Key" to a bathhouse locker that sets the plot in motion. 📽️ Essential Plot & Characters Luck-Key

Yoon Jae-sung , a failed, suicidal actor at the same bathhouse, impulsively swaps locker keys with the unconscious hitman. Jae-sung enjoys a sudden life of luxury, while

The story kicks off when , a perfectionist hitman, slips on a bar of soap in a public bathhouse and develops amnesia. believing he is a penniless actor