Dayo Wong stars as top agent Mr. Chan, who suddenly finds himself removed from duties after his partner Wonder Child unintentionally offended a policewoman, Ms. Shek. But when a financial officer goes crazy due to drugs, Mr. Chan is called back in to solve the case, which he accepts even though this means partnering up with Ms. Shek. The two have some ups and downs while working together, eventually leading to romance.

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