Chaewon has it all, she's the head cheerleader, she has loyal friends, and lives in a lavish home. Her face always dawning a blinding smile. Hyejoo has nothing, she's a lone wolf, a typical 'bad kid', and doesn't have a place to call home. She never smiles because she has nothing to smile for. What happens when Hyejoo happens to break into Chaewon's house?