Actor Jae-Ha is cast for the two-man stage play "Unchain." Also cast for "Unchain" is idol star Young-Woo. Young-Woo is not enthused about appearing in the stage play. At first, the two men do not get along. As they get more immersed in the characters they play and the gay-themed story, the two men develop unexpected feelings. Meanwhile, Hee-Won is a Jae-Ha's girlfriend. She has a strange feeling about the relationship between Jae-Ha and Young-Woo.