Bradley, who is happily married and loves his family, is called to London on business. There he meets Mercedes, wife of the Spanish Ambassador. The marriage has been forced upon her, and her husband is cruel. Unaware that Bradley is married, she falls in love with him, and he is also infatuated. His better nature finally prevails, and he returns home and is happy until he receives a photograph from Mercedes. On pretext of business, he again goes back to Mercedes, finds there has been a quarrel, and that the ambassador has struck her. She and Bradley go away together, and while crossing the channel, he inadvertently discloses the fact that he is married. Mercedes unwilling to come between husband and wife, flees to a convent, and Bradley, unable to find her, joins an expedition to the forests of South America. Bradley has written his wife that he is a coward. Her health fails and her father takes her and the children for a trip abroad.