Bearing her antique pewter teapot, Margaret Binton joins the crowd of hopefuls waiting to show their treasured junk to an expert at the annual free-appraisal day of a great New York auction house. There she runs into her old friend Hannah, who has just brought in an antique coin for appraisal. Minutes later, Hannah is stabbed to death - and the coin vanishes.

The police are apathetic, but Margaret is not about to let this outrage go unavenged, especially as she had a good look at the person she's sure killed Hannah. Soon it's war - between the West Side's most fearless senior citizen and a coldly resourceful killer. Never before has Margaret led her band of Broadway Robin Hoods into bolder battle - or so thoroughly unnerved her friends at the NYPD.

And never before has her life depended on the flip of a coin...