With Lorena's help, Chance and D return to San Francisco to handle unfinished business. Frank Lambert has a new protégé. Chance embraces a familiar role in a new way.

Lucy comes to Chance's aid. Chance and D disagree on the next move. Lambert goes on the defensive. D won't stop until Lorena is safe. Kirsten makes a choice. After a charged encounter, Chance changes course.

Chance discovers Lambert's background. Kirsten asks Lambert for help. Winter is in uncharted territory. Nicole adapts to a new reality. Lorena's past catches up with her. Chance defends his choices.

Chance and D grapple with news about Hynes. Chance accuses Winter of lying to him, but Winter learns he isn't the only one who's been dishonest. Nicole underestimates Christina. Kirsten tracks down a lead. Winter lays a trap.

Chance's progress with Winter is interrupted. Hynes asks his friend Frank Lambert for a favor. D settles old scores. Nicole faces the music. Hynes pursues a new break in the Winter case.

With the warehouse no longer safe, D needs a place to crash. Winter turns to his coping mechanism while Chance and Hynes face a major setback in their case against him. Carl has money trouble.

Chance and Hynes talk to someone from Winter's past. D and Lorena get to know each other. Chance pushes Winter into a "limit experience" and begins to break him down. Winter makes a new friend at the unit.

D gaslights Winter in an attempt to make him open up to Chance in therapy and meets a girl in the process; with D's guidance, Nicole confronts a bully.

Attacked by Chance, Winter becomes a patient at the unit, with unintended results. D discovers Detective Hynes has a more personal connection to Winter's case than he originally let on.

By day, Chance ministers to patients at the Victims of Violent Crime Unit; by night, he and D assault the victimizers. Detective Hynes blackmails Chance to use his skills to take down suspected serial killer Ryan Winter.