In-young, a high school student, loses her mother in a car accident. The world is quite harsh for her when she is left alone, but she is stronger, brighter, and more courageous than she thinks. When In-young is kicked out for overdue rent, she hides in the art troupe she belongs to and is discovered by Seol-ah, the director of the art troupe, who is famous for being strict. In-young, who is still living bravely and brightly despite the sad situation, is caught by the director of the art troupe who is known for being rough, and the director who could not put In-young in the art troupe eventually begins to live with her.