The Stepping Stone is a 1916 drama film, directed by Reginald Barker and Thomas H. Ince.
is the wife of unambitious law clerk Al Beresford
. Thanks to Mary
's tenacity and carefully calculated social-climbing, Al
is promoted to the position of personal secretary of prominent financier Elihu Knowland
. Unfortunately, success goes to Al
's head like a narcotic, and soon he has alienated everyone in New York, including Mary
, who runs off for parts unknown.