Set during the Joseon Dynasty, a nobleman's son is given a slave to take his punishments for him, as no noble can be marked. They somehow develop a bond, especially when Jong-ryeo (Park Jeong-min) is discovered to have an aptitude for martial arts and it is decided he tutor Cheon-young (Gang Dong-won) and even takes the entrance exams for military school for his now friend. But only if he is made a freeman. Unfortunately he is betrayed and thus develops a vicious feud that fans a slave revolt.
An engaging tale of betrayal and class divides.
