Ota lied to his wife, telling her he was going on a business trip, and took his transgender mistress, Yura Amatsuka, on a hot spring getaway. Although his wife already knows about his affair, the truth about his relationship with a transgender woman would cause an even bigger scandal if revealed. Amid this tension, the two spend time together in a quiet hot spring resort. He wants to cherish every moment with her, yet the shadow of betrayal looms constantly over them.