Two Can Play (1926)

Dorothy Hammis Bow the daughter of wealthy financier John Hammis Fawcett has chosen as her fiance James Radley Forrest but her father disproves of him He hires Robert McWorth MacDonald a former pilot to discredit Radley by exposing indescretions in either his past or present contuct McWorth leaves some valuable pearls for Radley to steal but this plan fails so he arranges for himself Radley and Dorothy to become stranded on a desert island Ultimately Radley proves himself as the better man After surviving both the elements and McWorths scheming he and Dorothy are married