Life at the Top' is a sequel to 'Room at the Top', made in 1959. Ten years have passed and Joe Lampton now takes a wealthy lifestyle alongside his wife and two kids. But since he's married the boss' daughter, his rise in the company is seen with notoriety. Also, the marriage is shaken by adultery affairs. Doubting his abilities and disgruntled by the bad outlook, Joe will try to change.

Overview from themoviedb.org