Greg Heffley and sports just do not mix. After a completely disastrous field day competition at school, Greg decides that when it comes to his athletic career, he is officially retired. But his mom has other plans. She urges him to give sports one more chance, and Greg reluctantly agrees to sign up for basketball. Tryouts are an absolute mess, and Greg is entirely sure he will not make the cut. Surprisingly, he lands a spot on the worst team imaginable. As Greg and his new teammates start the season, their chances of winning even a single game look incredibly slim. But in sports, anything can happen. When everything is on the line and the ball is in Greg's hands, will he rise to the occasion and be the hero? Or will he blow his big shot? Get ready for hilarious court-side antics in this laugh-out-loud adventure.