Friendly, popular Hong Yijeong is drawn to Gi Taerim, the department’s biggest outcast. Taerim rocks the classic loner look with thick glasses and messy hair, but Yijeong spots the luxury designer brands hiding underneath. Despite vowing to stay away, Yijeong ends up trying his best to get on Taerim’s good side at a party. Sensing easy prey, Taerim decides to tease his overly-kind classmate – but what started as a joke leads to something neither of them were expecting. They say you should never poke the bear, but what happens when you poke the plum?