McCall finds herself in the crosshairs of a foreign government's intelligence agency when her friend Mira, a diplomat's daughter, seeks McCall's help to find her missing brother. Also, Dante faces suspicion from a fellow detective newly tasked by the district attorney to find the vigilante known as the Equalizer.
Robyn McCall, an enigmatic woman with a mysterious background, uses her extensive skills to help those with nowhere else to turn. McCall comes across to most as an average single mom who is quietly raising her teenage daughter. But to a trusted few, she is "The Equalizer" - an anonymous guardian angel and defender of the downtrodden, who's also dogged in her pursuit of personal redemption.