After a painful breakup, Jan, the owner of a cozy bar, shuts her heart to love and focuses solely on surviving in the shadows of her past. Everything changes when Key, a bold young singer, enters her world after a one-night stand, openly declaring that she wants to be Jan's sugar baby. What starts as a purely physical arrangement transforms into a deeper feeling as Key's warmth begins to melt Jan's frozen walls. Just when their feelings become undeniable, Jan's ex-boyfriend unexpectedly returns, testing the fragile bond that has formed between them.