share time: 2025-10-10 04:47:27
Lin Xiaoman, a sophomore at Z University, is an "unofficial member" of the Reasoning Club and often mocked as a "trouble magnet" for her obsession with solving cases. Until the library's rare Song Dynasty ancient book is stolen late at night—leaving only a half iris-printed button at the scene, which matches the clue from her parents' disappearance three years ago. At this moment, Gu Zhao, the campus hunk famous for skateboarding and bar-hopping trending moments, suddenly shows up. This "spoiled rich kid" accurately recites the reasoning details she never shared with anyone. Forced to team up, they solve serial mysteries like the "ghost message" in the club room and the "vanished reagent" in the lab, bickering yet cooperating tacitly: Lin Xiaoman discovers Gu Zhao's iris necklace is linked to the theft, while Gu Zhao has long noticed the old photos of her parents hidden in her notebook. When the final puzzle is solved, they realize all events point to a ten-year-old "time capsule" pact—and they've long been the "key clues" in each other's fates.
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