When his partner in crime is captured, former political criminal Byun Gihyun is forced to go into hiding, leaving his rebellious son, Byun Baekhyun, in the care of his loyal associate, Park Chanyeol.
Stoic, perfectionist, and serious, Chanyeol expects nothing but trouble from the witty teenager. But beneath Baekhyun's thick layer of sarcasm and defiance, Chanyeol discovers a depth of vulnerability he hadn't anticipated. Slowly, he finds himself falling for the boy he was meant to protect.