When Reggie is abandoned on the mean city streets by his lowlife owner, Doug, Reggie is certain that his beloved owner would never leave him on purpose. But once Reggie falls in with a fast-talking, foul-mouthed stray who loves his freedom and believes that owners are for suckers, Reggie finally realizes he was in a toxic relationship and begins to see Doug for the heartless sleazeball that he is.

The destinies of hard-luck lowlifes slowly converge and come crashing down: Jung-man barely gets by working at a sauna and taking care of his sick mother until he finds a bag full of cash in the locker room; Tae-young is in trouble after his girlfriend runs away with the money he borrowed from a loan shark. Soon, a dead body mysteriously turns up; Mi-ran, caught between her husband’s violence and a dead-end job as a bar hostess, she finds a young lover, Jin-tae who offers to kill her husband… And now their dog-eat-dog game starts.