Simon Mostyn has recently married Kay Ridgeway, a rich woman, having thrown over his former lover Jacqueline. The couple are on their honeymoon on a paddle steamer on the Nile, accompanied by a bevy of memorable characters. Among those present are Canon Pennefather, Kay's guardian, and Jacqueline, who has been dogging their footsteps all through the honeymoon. During the voyage Jacqueline works herself into a state of hysteria and shoots at Simon, wounding him in the knee. A few moments later Ka