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Reserved Kate Bosworth (Bette Davis) returns home to Cape Cod to work on her painting, and meets and falls in love with young engineer Bill Emerson (Glenn Ford), who is working at the lighthouse for the summer. When Bill meets Kate's twin, Pat, he mistakes her for Kate and is confused by and drawn to her charged sensuality. Heartbroken when Bill marries Pat, Kate buries herself in her work and the coaching of angry artist Karnock (Dane Clark), until an improbable situation arises involving Bill. Wikipedia