She gets top billing.  But he's the real teeth of the operation.  In the search for a killer, they make the perfect team....She's thirty-eight, too independent for most men's taste, and too suspicious for her own good.  In her back-alley Greenwich Village cottage, private investigator Rachel Alexander has one ace in the hole: Dash, the devoted, barrel-chested pit bull terrier she once saved from certain death, and who is now about to return the favor.Dash and Rachel are looking for a missing barkless champion basenji named Magritte, and for a killer.  The basenji belonged to a struggling artist found dead on a downtown pier near a sign that said "don't be caught alone."  As Rachel pursues a string of clues that take her from the SoHo art scene to the world of Manhattan's homeless to the Westminster Kennel Club dog show, those words echo in her mind.  For in an urban landscape where good friends are hard to come by and true lovers even harder, Rachel soon discovers how dangerous it can be to trust the wrong person.  Unless, of course, that person is a dog...