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.
as Joo Il-woo / Joo Wol-woo
as Cho Soon-wu
as Son Hwan
as Moon Ja-hoon
as Han Hee-sang
as Go Bang-cheon
as Choi Noo-ri
as Baek Young-jun
as Detective
as Ja-hoon's Mother
as Lawyer
as Demolition Captain
as Yong-cheol
as Task Leader