Meet Fizz - the daring dog detective! Fizz's heart is beating fast. Today he begins his first case as an undercover police dog. It's going to be tricky. At the last three show dog championships the winner's tiara has been stolen. Now Fizz must go deep undercover as a contestant at the Pemberley Show Dog Trials. Fizz and police dog Remi have to perform at their peak to try to catch the show dog jewel thief red-handed.