The story about a man-sized frog named Prince Frederic who is turned into a frog by his wicked aunt Messina and hired by British Intelligence to solve the mysterious disappearances of some of Britain's greatest monuments. Several hundred years later, Freddie is now living in modern-day Paris, a six-foot-tall amphibian with the moniker Secret Agent F.R.O.7. Messina, too, is still around causing mischief, joining forces with an arch-villain named El Supremo in a scheme to shrink Big Ben. Freddie, alerted to Messina's nefarious plans, gathers his fellow agents Daffers and Scottie together, planning to hide out in Big Ben and surprise the evil doers when they are set to strike at the much-loved British landmark.