Ulf is an orphaned werewolf who has lived his whole life at Farraway Hall, the headquarters of The Royal Society for the Prevention of Cruelty to Beasts (RSPCB), a rescue centre for rare and endangered beasts. When an injured sea monster arrives, Ulf uncovers a poisonous mystery and a world of beast poaching in which sea beasts are eaten as delicacies. With the help of Orson the giant, Tiana the fairy and Dr Fielding the RSPCB vet, Ulf must defeat the cruel beast hunter Baron Marackai and stop the Beast Feast. The future of the RSPCB depends on it...