Still reeling from her mom's divorce, a 12-year-old discovers an app that helps her become a social media star. However, she soon learns that her mother's new boyfriend has more on his mind than just managing her career.

When her father dies, MacKenzie keeps his tradition of the town's fundraising "The Reindeer Games" alive, but when high school crush Chase shows up and plays against her, the spark between them is undeniable.