Episode 1
S1, E1: In midsummer, bodies of young boys are found in six acrylic cases in the mountains; Shiro Sakakil, 50, a university professor and Japan's leading butterfly expert, turns himself in.

S1, E1: In midsummer, bodies of young boys are found in six acrylic cases in the mountains; Shiro Sakakil, 50, a university professor and Japan's leading butterfly expert, turns himself in.