Thomas always seems to have bad luck until he is celebrated as a hero after rescuing little Monika from drowning. After the fanfare subsides, he immediately falls back into his old role as a constantly unlucky person.
Head over heels in love with a stern and cold older businessman's young wife, a reporter is seduced into conspiring to murder him so she can inherit his estate, while pinning the murder on another businessman.
A young diplomat falls in love with a lady he has followed in the street and in order to establish a relationship, he introduces her into her house proposing a connection between Titì, the lady's dog and her Pekingese.
A cavalry officer is framed for the murder of a fellow officer and cashiered out of the army. After he gets out of prison he vows to find the renegade who framed him and bring him to justice.
After robbing and murdering his married lover and then making her death look like suicide, conniving philanderer Ronnie Mason relocates to Los Angeles.