When Nicolo Giambaccinni christens a new ocean liner, it blows up due to nitroglycerin in the champagne bottle. Suspects include his daughter Serena, his mistress Karen Ann, Karen Ann's agent Cody, and investor Wildcat Callahan.

When a fashion designer is murdered, the prime suspect is a model who happens to be Houston's ex. She turns to him for help. And he looks at the man's wife, his partner, and a designer.