Beatrix Bunny is excited when her mother, Florence Fox, gets remarried. Beatrix already loves her new stepdad Bernard Bear, and his kids: Catalina Cassowary, Garrett Gator, and Puck Piglet. Beatrix has always wanted siblings! But soon, Beatrix realizes that having a new family is a big adjustment. And it isn't always exactly what she'd expected! Beatrix, Catalina, Garrett, and Puck all spend a lot of time together, and they don't always get along perfectly. But when her new little brothers need help at the park one afternoon, Beatrix discovers new things about herself and helps save the day. Soon, Beatrix realizes that change is a normal part of life - for families, and gardens, and even little Bunnies like her!