McCall is hired by a concerned mother who suspects her teen son has joined a local gang, leading McCall to the boy's surprising motivation behind his spiraling behavior. Also, Delilah faces anxiety as she prepares to speak at her friend Jason's memorial service, and Dante worries when the new detective pursuing McCall sets his sights on unmasking the people closest to her.
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.