"The film-noirish screenplay by Marion Parsonnet (and adapted by Jo Eisinger), was taken from an original story by E." As a semi-serious joke, the two detectives hired Leo to follow Uncle Benny around.When Murtaugh returned home with Riggs during the work day, he found that his own family members (including his wife Trish (Darlene Love), and the two pregnant ladies Lorna and Rianne) were being held hostage by Ku, and Hong""s family had already been driven away.He becomes infatuated with the beautiful, pure, and dedicated Sister Sharon Falconer (Jean Simmons) - costumed at first as a simple farming milkmaid to convey her pastoral innocence.The three Krypton criminals descended upon what they believed was planet Houston - a rural lake fishing area in the state of Idaho.