Curious George sets off a false alarm while visiting the fire station but redeems himself by rescuing a Dalmatian puppy.

The Alden children draw upon their resourcefulness to save the neighborhood firehouse from being torn down, while they also face a series of mysterious incidents connected with it.

Billy spends time with his "second family" at the Floral Avenue firehouse where his mother works, and dreams of growing up to be a firefighter just like her.

Rex is the world's most famous, and Hollywood's most pampered, pooch. He gets lost and is reluctantly adopted by a young boy. His father, the fire chief of a rundown station, agrees to the adoption only if his defiant son takes care of the dog. Little do they realize Rex will not only bring them closer, but also bring some much-needed faith back to the fire station.