Race car driver Alan Colby and his new wife Denise are involved in a car crash where he sustains a serious head injury, causing him to have murderous feelings toward Denise. After Denise persuades him to honeymoon with her on the Cote D'Azur in France, they enlist the aid of a French psychiatrist who offers to regress Alan back to the time of the accident and cure him.

Two men and a woman form a triangle confined by a lighthouse.

On the worst day of his life, a man encounters a merry friend who unexpectedly lifts his spirits.