Eyes of a Murderer - S1.E8

Caught by Ushiyama, Shiraishi is pressured by Hijikata into acting as his mole in Sugimoto’s group. Sugimoto, Asirpa, and Shiraishi hear rumors of Henmi Kazuo, a tattooed prisoner who is also a psychopathic killer. They go whaling and unknowingly rescue Henmi after he falls into the water. Henmi conceals his tattoo, but vows to either kill Sugimoto or die in the attempt.