The beaver Bob lives an intricate life with his many routines, he workout in his garden every morning and then make beehives. When the cat Max falls into his lap his existence becomes anything but organized, Max loves to go on an adventure! One day they both see a fireball fall from the sky, and it turns out to be a spaceship with three little characters named Zaca, Zic and Zuc. They are fleeing from another alien who wants to capture them and take them home to their planet. Bob and Max team up with the little characters to try to save them from the pursuer.