Everyone knows dogs can be crime fighters, but what about felines? A twelve year old, Teddy, and a police detective, Ross, decide to find out. Author David Felty introduces you to an effective - and unusual - team of crime fighters. After ten months of intensive observation and dedicated effort, they develop a gadget for cats to wear that let them communicate with humans. Ross, Teddy and the feline audio telecommunicating criminal apprehension team, F.A.T.C.A.T., set out to show their value as they pursue culprits in four mysteries.