Billie Ridley gets so good at spying on her cheating husband that she turns pro. The betrayed Beverly Hills housewife becomes Hollywood's hottest private detective. Suddenly she's involved with movie stars, rock stars, moguls and murder. Her journey is both hilarious and dangerous as she learns the tricks of the noir trade, complete with accessories-a trench coat from Ross and a pearl-handled gun. Billie is up to her sagging ass in A-list suspects and red-carpet meltdowns. Celebrity health and beauty gurus teach her how to lose weight and live forever. There's a man in her bed, another in her heart, and a jealous ex-husband at the door. This is better than revenge, it's a pistol-packing coming of age for a late-blooming boomer. But what better time to grab destiny by the short hairs and revise it?