Because he's the oldest, Jake has been the man of the house, since his parents divorce. When Mom starts seeing Sam, who always seems to be trying some new way to get rich quick, and declares he's the man of the house now, Jake puts up with it. Until he discovers Sam's illegal activities.
Firstborn is a 1984 American drama film starring Teri Garr, Peter Weller, Corey Haim, Sarah Jessica Parker, Robert Downey Jr., and Christopher Collet. It was filmed in New Jersey and New York State. Firstborn centers on teenager Jake Livingston, whose home life is thrown into disarray when his mother's ne'er-do-well boyfriend moves in and pulls her into his dissolute lifestyle. It was released on DVD and Blu-ray on July 31, 2012.