电影根据一起真实的勒索案改编，一名绰号叫做“老鱼”的警察被指派去拆除炸弹，而他没有任何拆弹的经验。

In the film adapted from a true story of a blackmailing case, a policeman nicknamed "Old Fish" who has no experience of removing bombs is ordered to defuse the threat of a bomb.

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“钓过鱼吗？”警察突然问道。

"Ever go fishing?" the policeman suddenly asked the man.

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“钓过鱼吗？”警察问他。

"Ever go fishing?" the policeman asked the man.

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