Kim Dan, a struggling physical therapist facing numerous challenges, sees a glimmer of hope when he lands a job treating the wealthy MMA fighter Joo Jae-kyung. However, this opportunity takes a surprising turn when Jae-kyung requests a peculiar treatment before a crucial match, offering a tempting sum of money. Reluctantly, Dan agrees, unaware of the intimate nature of the 'treatment' Jae-kyung seeks. As the night unfolds, Dan grapples with the daunting task ahead, questioning his ability to handle Jae-kyung's intense nature. Despite the risks, Dan embarks on this risky venture in hopes of solving Jae-kyung's mysterious 'jinx.' Will this unexpected encounter be the key to breaking the fighter's curse?