Amy an extraordinary Persian cat stays with her friend Olly and Granny Huggles. They live in a cosy cottage on Puddleton High Street. Amy gets in and out of scrapes, as she solves mysteries with her friend Olly and the colourful local characters of Puddleton. This story starts one evening in early March when Amy witnesses a strange event in the town museum's library. Curious, she sets off to unravel the mystery, and in the process, witnesses a crime in action.