The sixth film in the 'Drift' series.

A young couple's announcement of their engagement to their friends is followed by a series of interactions and conflicts that forces everyone to reflect on their lives.

Following a tip, Manabu Yazaki loses his last money betting on the older "banba" horse "Unryu" (jockied by Makie, a legendary jockey's daughter) in a draft-horse race held in his childhood home of Obihiro on the island of Hokkaido.