According to the IMDb episode summary , the story follows Yukki, a woman whose fiancé is convinced she is cheating. While traveling alone on a train between stations, she encounters a stranger (Alberto Blanco) and decides to act outside her "good girl" persona. "Tushy" Strangers on a Train (TV Episode 2022) - IMDb
Their encounter on the train turned out to be a turning point in their lives. For Tushy, the conversation with Yukki and Amey helped alleviate her nerves about the job interview. Yukki found inspiration for her next art piece in Amey's stories of adventure. Amey, in turn, was rejuvenated by the youthful energy of Tushy and Yukki. -Tushy- Yukki Amey - Strangers on a Train -103149-