share time: 2026-06-21 12:35:45
Fresh graduate Lin Xia rents Room 803 in an old building to save on rent. After moving in, she finds 72 locks engraved with unfamiliar numbers behind the bedroom door. Driven by curiosity, she explores the secrets of the locks, only to uncover the former owner's dusty past—the truth of a fire seven years ago, involving concealed family ties and conspiracies. With each lock opened, she gets closer to danger, forcing Lin Xia to confront human darkness and make a tough choice between truth and self-preservation.
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