While traveling to the countryside of England by train, the repressed and shy Lina McLaidlaw meets the reckless
playboy Johnnie Aysgarth crashing her first class cabin with a third class ticket. When they meet each other again,
Johnnie overhears a conversation of her father about her heritage and courts Lina that immediately falls in love for him.
They get married and when they return from their fancy honeymoon, Lina discovers that Johnnie is a broken gambler that
borrows money from his friends to live in a high-standard. Then she finds that he is also a liar and after receiving his
old friend and partner in a real estate business Beaky in their home, Lina believes that Johnnie intends to kill Beaky.
However, they decide to travel to Paris to dissolve their partnership. When two detectives come to their house to
investigate the mysterious death of Beaky in Paris, Lina believes Johnny is the murderer and she will be his next victim.