When the thrill is gone

A beautiful young woman walks into PI Leonid McGill's office with a stack of cash. She's an artist, she tells Leonid, who's escaped poverty via marriage to a rich collector. A rich collector with two ex-wives whose deaths are shrouded in mystery. She says she fears for her life, and needs Leonid's help. Will sorting out the woman's crooked tale bring Leonid straight to death's door?