Written by Rob Green with rewrites by Chelsom and Tinker Linsday, the pic, set in 1958, follows Mrs. Joy Hamilton, a recently widowed American socialite on the brink of ending her life when she sees the chance to avenge a famous millionairess, whose son she raised as her own. Believing the son to be dead, Mrs. Hamilton recruits a handsome gigolo to be the imposter in a dangerous confidence trick.