Method actor Park Seha and flop idol Sohn Ji-eon are cast as lovers in a queer crime film. What begins as open hostility born from clashing backgrounds slowly transforms through forced rehearsals and intimate method acting. As Ji-eon’s sincerity and relentless effort break down Seha’s defenses, professional boundaries blur into dangerous attraction. Determined to call their growing closeness a “mistake,” both men struggle to separate acting from reality. Caught between obsession and devotion, they must decide whether their connection is merely part of the role… or something real.