His Father's Son (1917)

"With the money gone what chance has the son of a millionare?"

Thrown out of his dad's house without a penny to his name, playboy J. Dabney Barron is told not to return until he has proven that he can keep a job for an entire month. After several false starts, our hero is hired to keep flighty heiress Betty Arden out of trouble. He not only succeeds but manages to get his hands on a valuable jewel that has long been coveted by his father.