The plot of the film was described as a "reconstruction" on the events of the 2021 series,[1][4] according to a press release by Famitsu,[2] with a depiction of the events which take place after the series finale.[3] The plot of the original series focuses on Odokawa, a middle-aged walrus taxi driver, whose interactions with his customers entangle him into a recent disappearance of a girl.[2]