One afternoon at the beach, a small boy puts an invitation to the fish to come for a visit in a bottle and throws it into the ocean, and the results are unprecedented.

All his life, Dawson has been inventing things, repairing toys in unusual ways, and helping clean up his neighborhood by reusing discarded objects, but when his Vacu-Maniac malfunctions it is his friend Mooey whose brainpower saves the day.