Do-Hee experiences family violence. Young-Nam works as the head of the police substation. She tries to protect Do-Hee from her violent stepfather Yong-Ha. Though Do-Hee looks naive, she hides a secret. Young-Nam becomes involved in a case with her life at stake.
In the 11th year of Kwang Hae-gun, Jo-seon soldiers go to war with China after an invasion. In the middle of Manchu, three people who have barely survived are being cornered by the Chinese forces, and begin a bloody battle not with their enemies but with their friends.