Ruby moves in with her dad, Hank, and his family, but Lisa, Hank's wife, immediately judges her based on her appearance, assuming she's a bad influence on Harley, her daughter. Despite Lisa's concerns, Ruby helps Harley with her homework and even protects her from bullies at school. Lisa eventually learns that Ruby’s troubled appearance hides a difficult backstory—her mom became addicted to painkillers, leading to the loss of their home. After Ruby’s honesty and positive influence on Harley, Lisa realizes she was wrong to judge her and accepts Ruby into the family. The story emphasizes not judging others based on appearances.