Park Se-jin, a former child actress adored as the nation's little sister, is struggling with numerous part-time jobs to settle debts left by her father, who committed fraud and vanished, leaving her without any casting opportunities. Suddenly, she receives a casting offer. A producer, who is said to have long desired her skills, presents her with a substantial fee, prompting her to agree to the role on a whim. Misled by the director's assurance of shooting a realistic first night, Se-jin unexpectedly finds herself in a scene where she is entwined in a bed with four of her in-laws...