She Chose My Stepsister. I Chose the Head Cheerleader — Episode 4

Riley dates Claire in secret to get closer to Madison, the girl she's crushing on. When a photo goes public, Claire sees the lie, ends things, and gets tossed aside. Just as she's at her lowest, cheerleader Avery shows up. Only then does Claire realize Avery was never a stranger. She's loved her quietly for years.