Intelligence tracks down a vigilante killing rapists. The investigation hits home for Burgess (Marina Squerciati), who begins to question if the men who attacked her sister truly paid for their actions.
Jackson and the team make a final attempt to find a cure to the worldwide animal pandemic, but hit an obstacle that may be impenetrable.
Joe accepts help from Father Ramos; Lettie spends the day with Daniela; Veronica uncovers more about Michael.
Margaret has an offer for Carmen; Joe hires a new general manager; Veronica is put in a tricky situation.
Father Ramos' return to Sonoma makes waves throughout the Sandoval family; Lettie and Joe hit a rough patch; Margaret is excited to be invited to Carmen's 25th birthday party; young Lettie, Joe and Billy leave town on an important mission.