share time: 2025-09-01 09:19:00
Lin Yan, a master welder, is secretly recruited to revive a decommissioned nuclear submarine. Facing technical challenges and team skepticism, he ignites hope with his skills and passion. But during a deep-sea trial, the sub is mysteriously tracked. In a life-or-death crisis, he must use his expertise to not only repair the vessel but also uncover a hidden conspiracy, safeguarding the nation's maritime frontier.
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