Tōya, who experienced intense emotional highs and lows, drank whiskey as a substitute for mood stabilizers. Shizuka, his partner, pessimistic about their future together, eventually left him. One day, Tōya, drunk and passed out on the street, was helped by Yui, a filmmaker. Yui invited him to join the film school she runs. Encouraged, Tōya ventured out into the city with a camera in hand. During an interview with Sumino, the manager of a local general store, he ended up capturing a shocking truth on film.

精神的に浮き沈みの激しい洞爺はウイスキーを気分安定剤の代わりに飲んでいた。洞爺との未来を悲観し去っていくパートナーの静香。ある日、酔っ払って路上で眠っていた洞爺は、映画作家である唯に介抱される。そこで唯の経営する「映画塾」へと勧誘された洞爺は、カメラを片手に街に繰り出す。とある雑貨屋の店長・澄乃へのインタビューで、衝撃の事実をカメラで記録することになった...