Jamie Flaversham has just come home from studying at Cambridge when she sees her little sister, Olivia by herself. She finds out that their father, Hiram Flaversham, has been kidnapped. They seek aid from Basil of Baker Street, the great mouse detective, and Major David Q. Dawson, who accompanies them. They find out the kidnapper works for Professor Ratigan and they have to free their father as well as stop his plan.

8 bonus chapters from the novel SHAPIRO by Mark T. Watson.