Bride by Mistake (1944)

The staggeringly wealthy Norah Hunter a shipyard owner too often finds herself the romantic target of golddigging men To attract a suitor whose main interest is not money she changes places with her secretary Sylvia Lockwood and assumes the role of a young working woman However she then falls for recuperating fighter pilot Anthony Travis who in turn is madly in love with Sylvia or perhaps with the millions he thinks she has