The work of a progressive female psychiatrist and her colleague at a mental hospital is threatened by the arrival of a conservative new supervisor, who disapproves of both her methods and the fact that she is a woman in a "man's field."

Hugh 'Bulldog' Drummond is a British WWI veteran who longs for some excitement after he returns to the humdrum existence of civilian life. He gets what he's looking for when a girl requests his help in freeing her uncle from a nursing home. She believes the home is just a front and that her uncle is really being held captive while the culprits try to extort his fortune from him.

An ex-Marine, on the lam from a murder charge, hitches a ride with a glamour-magazine photographer, who is travelling cross-country with her principal model. Tensions rise when the women realize the man with them may be a killer.