Garam hides his fatal sexual preference that he doesn’t want others to know. His body only gets hot when he’s being suppressed. Then one day, his younger friend Ha-seong finds out about his sexual preference. “Should I help you? Then open your mouth.” That’s how his secret relationship with Ha-seong begins. And then there’s another man. His friend’s younger brother Woo-jae asks him to get between them… Surrounded by younger men, Garam begins a forbidden love triangle with his younger brother.