Una adaptación televisiva moderna de la película de 1980 'American Gigolo'. Julian Kaye es un antiguo escort que acaba de cumplir 15 años por un cargo de asesinato por la muerte de una antigua cliente.

A male escort's life begins to unravel when he gets involved in a client's family affairs and breaks the cardinal rule of his work: Don't fall in love.

Orphaned at young age, abandoned by his uncle and later by his adoptive parents, Sang-doo’s life has been a succession of difficulties. At 27, he makes a living by seducing older women in order to support his daughter’s hospital fee. However, the love he has for his first love, Chae Eun-hwan, keeps him happy and optimistic. When he runs into Eun-hwan again, he decides to give another chance at his love and goes back to high school to be Eun-hwan’s student.