Midsummer's Equation

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Midsummer's Equation is a 2013 crime and drama movie directed by Hiroshi Nishitani. It stars Masaharu Fukuyama, Yuriko Yoshitaka and Kazuki Kitamura. It runs 2h 9m.

Masaharu Fukuyama reprises his role from 2008's "Suspect X," playing the physicist-cum-detective Manabu Yukawa. The scientist-sleuth arrives in an oceanside town to speak on a panel. But when a man turns up dead outside the inn where he's staying, Yukawa begins to unravel the connections that tie the victim to the activist daughter of the innkeepers, and a precocious boy who first appears on a train—and keeps popping up. It's a Sherlock Holmes mystery with an environmental twist, and one that should please fans of a classic whodunnit.