As McCall acclimates to civilian life, she is compelled to use her considerable resources to help Jewel, a teenager accused of murder and on the run from the criminals who framed her for the crime

McCall's online ad leads her to a mother whose son has been kidnapped by a human trafficker and will be executed unless she steals confidential information from her FBI agent employer. Also, McCall enlists Aunt Vi to help uncover a secret Delilah is keeping from them both.

Just as McCall considers ending her work as The Equalizer, she’s pulled back in when she takes on Detective Marcus Dante as a new client who needs her help to find an untraceable group of bank robbers.

McCall’s determination to apprehend Mason Quinn, the criminal responsible for Bishop’s death, veers into a dangerous obsession that could cost her everything. Also, Delilah finally meets her mother’s vigilante team when she requires Harry and Mel’s help to prove a fellow classmate made her best friend a victim of revenge porn. Second season finale.