McCall races to find a woman kidnapped by a serial killer whose past crimes went undetected because the victims were from marginalized communities; trouble arises for McCall when her vigilante activity puts her on a district attorney's radar.

McCall races to help a concerned wife locate her husband before he helps an extremist group carry out a bombing in the city; McCall worries that her anonymity will be compromised when Delilah asks her to participate in a social media video.