Inside a one-room apartment on the outskirts of Seoul, Oliver lives a happily quiet life, listening to jazz records and caring for his favorite plant. But what else is there to do when you're a Helperbot 3, a robot that has long been retired and considered obsolete? When his fellow Helperbot neighbor Claire asks to borrow his charger, what starts as an awkward encounter leads to a unique friendship, a surprising adventure, and maybe even love?