This 2-part Lifetime Original Movie begins with a portrait of a young Norma Jeane Mortenson as she battles a lonely and loveless existence with an absent mother. Despite the odds, Norma Jeane blossoms into a funny, smart and ambitious woman and soon reinvents herself to become the symbol of an era. She revels in stardom, yet remains a fragile artist, desperate for the approval.

This 2-part Lifetime Original Movie continues. As Marilyn cares for her mother, her obsession with President John F. Kennedy drives her over the edge and, ultimately, into an insane asylum. Still, as Marilyn Monroe soldiers on, she gives the performance of her life, successfully hiding her darkest secrets from the world.