Kinue, a stewardess, enjoys masturbating using an aphrodisiac that Chief Purser Sagawa brought back from an assignment in Southeast Asia, but finding it unsatisfying alone, she decides to call her colleague Moe and Sagawa to have a threesome. However, Sagawa brings Captain Gotō along. Gotō has a lover named Miki. Because of issues in his relationship with her, he secretly begins to reconsider marriage. Hearing this, Sagawa says, “There’s a good method,” and suggests using that same aphrodisiac.