After an eventful night full of tears and a live concert, Gyeom finds himself tangled up in a hot night with aspiring musician and rising star, Yohan. Inspired after a mind-blowing night, Yohan decides to look for new band members to join him in producing a new album. But when he once again encounters the mysterious boy who stole his heart with his tears, Yohan refuses to let him go and suggests Gyeom join his band as a bassist. Will these two be able to create a new playlist for their lives?