Riley and her friends are discovering the world is bigger and more complicated than they ever imagined! It’s a new school year and the girls are in charge as eighth graders, but a new teacher threatens to ruin everything. Riley and Lucas are pressured at school to define their relationship. Cory, Topanga and Shawn head back to their hometown to dig up a time capsule from 15 years ago! And it’s a family reunion at the Matthews home! Even though they may feel like they’ve got the weight of the world on their shoulders, together Riley and Maya can take on anything!