The troublesome lives of twin sisters Rachel Dwyer and Christine Singleton, separated at birth, are traced in this story. Rachel turns to prostitution after linking up with Danny McKay, a charismatic confidence man. Eventually, Rachel changes her identity and opens Stars, a posh California resort that provides discreet sexual services to guests. Christine uses her optimistic attitude to conquer a childhood weight problem and start an international weight-loss clinic. Their paths cross during a climactic scene when Danny seeks revenge on Rachel and mistakenly tries to kill her twin.