Japan has a conviction rate of 99.9% for criminal cases that go to trial. A lawyer (Hiroki Hasegawa) is able to defeat those odds and obtain an acquittal for his client, even though there's conclusive evidence that says otherwise. Sometimes, due to minor things, good and evil can switch sides and good people can become bad people.
Recently dumped by his fiancée, Mamiya meets a girl on a dating app. However, when he comes out of the shower, the girl is dead on his bed. Upset Mamiya decides to bury the body in the woods, however it mysteriously disappears from his car trunk... When he finds out that she is a popular influencer of the SNS called “Mimi”, he follows her footsteps which she left on Mimi, and slowly becomes attracted to the girl who turns out to be just as lonely as he is.