A music producer fallen from grace finds an artist - Ji Hoon who has everything needed to make it big and discovers the one thing holding him back, paralyzing stage fright.

A drama 'The Box' revolves around the story of a young singer 'busker Ji Hoon, who is living inside a "box" and a producer who once used to be a big shot in the music industry. The two will cross their paths and bask on a road trip filled with music and jamming sessions, a journey of self-revelation, chasing dreams and figuring out life as it goes.