Kim Woo-bin is at his charismatic best in Officer Black Belt, a new action comedy from Midnight Runners director Jason Kim (also known as Kim Joo-hwan).

In a role seemingly tailor-made to showcase his impressive physicality and affable charm, Kim plays a big-hearted martial artist who finds some much-needed purpose when he inadvertently joins the probation department.

The action never threatens to surprise or break free from established formulas, but within its carefully contoured constraints, the results are enthusiastically entertaining.

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