NMFS agent Jackie Quiñones leads a fun, free-wheeling and booze-addled life, then she uncovers a dead body on the beach, and she is plunged into the center of a complicated and dangerous opioid ring investigation.

Jackie returns to rehab, but only to help further her investigation. Ray starts closing in on Osito at the same time he and Renee cross the line. Junior takes the first step to becoming a soldier.