The story revolves around Bunny Brown and his sister Sue who are excited to train their new puppy, Splash, to perform tricks. With the help of their friend, Jimmy Wibblewobble, they teach Splash a variety of tricks such as rolling over, sitting up, and playing dead. They also participate in a dog show and demonstrate Splash's abilities to a panel of judges. In the end, Splash wins the top prize, making Bunny and Sue proud of their hard work and dedication.