After an impulsive travel decision to visit friends, Freddie, 25, returns to South Korea for the first time, where she was born before being adopted and raised in France. Freddie suddenly finds herself embarking on an unexpected journey in a country she knows so little about, taking her life in new and unexpected directions.

Deliveryman Jong-su is out on a job when he runs into Hae-mi, a girl who once lived in his neighborhood. She asks if he'd mind looking after her cat while she's away on a trip to Africa. On her return, she introduces to Jong-su an enigmatic young man named Ben, who she met during her trip. One day Ben tells Jong-su about his most unusual hobby.