share time: 2025-06-16 16:34:56
Marine biologist Su Qian discovers a mysterious luminescent object during a deep-sea expedition, unknowingly stumbling upon an international smuggling ring's plot. Teaming up with Lu Chen, a retired special forces operative posing as a fisherman, they uncover the 'deep-sea light' is actually a lethal bioweapon. Trapped in a failing submarine with dwindling oxygen, the duo must navigate through darkness and betrayal to kindle each other's last hope for survival.
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