Satoko, a noblewoman with little time left to live, is kidnapped one day and imprisoned in the "Yuyodo".
There, with the help of the hitman Shinpei, he saves his life and becomes loved to an unusual degree.
Satoko and Shinpei, having escaped the danger in the brothel, attempt to escape from the island on a secretly arranged ship.

“Dreams are more important than love.”
“I want to marry Satoko.”

During the short time they spend heading to the mainland, the two people confront each other and open up their hearts.
However, a shadow approaches them――.