On a Christmas Eve, a lifeless body of teenage boy is found. The victim's revenge-driven twin brother checks himself into a juvie to hunt down the suspects.
Joo Il-woo / Joo Wol-woo
Cho Soon-wu
Son Hwan
Moon Ja-hoon
Han Hee-sang
Go Bang-cheon
Choi Noo-ri
Baek Young-jun
Ja-hoon's Mother
Lawyer
Demolition Captain
Yong-cheol
Detective
Displaced man
Displaced wife
Task Leader
Colorist
Director
Screenplay
Producer
Novel
Production Design
VFX Supervisor
Executive Producer
Costume Design
Original Music Composer
Director of Photography
Martial Arts Choreographer
Production Sound Mixer
Makeup & Hair
Lighting Director
Sound Supervisor
Editor
