Summer Equation

Keigo Higashino is the author of more than fifty novels, who has been popular in Japan for twenty years. Now each of his new works becomes an event. In his homeland, he has received all the major literary awards and... prizes, and dozens of adaptations and film adaptations have been made based on his novels, spilling the dark atmosphere of his detective stories onto the screens. A boy named Kyouhei spends his summer vacation at a ryokan managed by his aunt’s family. Yuukawa, who has come for business, is also staying there. One of the other guests of the old inn is found dead on the beach. The victim is a former police officer, and the police quickly dismiss the version of an accident. But what really happened and what truth is Yuukawa going to uncover?