K2: Dodgy Badge Brothers

Episode 5 (1x5)

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Ryuichi is in the process of trying to make peace between his older brother Kenji and their father, Kenzo, when a police academy instructor is found shot to death. The case is given top priority, but before the culprit can be identified a second shooting victim is found dead. Based on the two victims’ recent call histories, Kenzo emerges as a leading suspect, and Ryuichi is taken off the case. Get ready for some super dangerous undercover work! Will Ryuichi’s deadly gamble pay off?