"Ms. Flamingo's cat, Fluffy, is missing...and there's only one detective who can crack the case! Meet Agent Lion--he works at Super Detective Agents Agency, wears a tiny blue hat, and loves jelly doughnuts. But most importantly, he is determined to find Fluffy. Agent Lion searches all over Mrs. Flamingo's building--from Mr. Wombat's apartment to the top of the roof--and the missing cat is nowhere to be found. Will Agent Lion ever crack the case?"--

Petunia's birthday is today, and she's got everything a birthday girl needs: an excited smile, the perfect bow, a big party. Wait . . . where is the party?! It was just here a second ago! The balloons, streamers, and guests are all gone!! In a mad dash to find it, Petunia calls the best detective in town, Agent Lion. He runs through the halls, follows clues, and even takes a quick swim--but will Agent Lion find Petunia's celebration in time?