A Rembrandt painting - the Girl with the Broom - is stolen from the home of the wealthy Franklin family, outside the house which a ski mask is found probably belonging to the thief. Duke assigns Mike the case despite the objection of Dr. Kenneth Franklin, the Franklin family patriarch, because of Mike's disability in association with locating something that people enjoy because of how it looks. The painting actually belonged to Mrs. Franklin, an avid art collector who buys and buys and buys but never sells. The individual relationships between the three members of the Franklin family, which includes college student daughter Marianne Franklin, seem to be inharmonious. Marianne, not having the role model of happiness to emulate in her parents' marriage, seems not to know how to love. The first external lead Mike pursues is trying to discover who recently made the offer to buy the painting for almost twice its appraised value. The offer was actually made by a Peter Kellman, whose family ...