After committing suicide due to her husband's infidelity, she begins to sense a sudden coldness in her son's behavior. One day, three of his classmates appear beside her bound son, treating her body like a toy and tormenting her mercilessly. Suddenly, her supposedly restrained son appears and confronts her: "Is this your trap? What exactly are you trying to make me do!?" And so, mother and son become entangled. From the depths of their hearts, questions arise. Amidst a whirlwind of emotions, their relationship begins to shift in painful and heartbreaking ways.