Carrie plans a surprise party for her father's 75th birthday, but her plans go awry when Doug loses the guest of honor.
The squad must sift through a dead social worker's depressing caseload to find a suspect in her death. Andy tries to fulfill a late cop's final wish amid accusations that he and John ratted out fellow officers to internal affairs.
Michael takes a job as a security guard at a pharmaceutical company, Isabel and Jesse’s relationship deepens, and Liz and Max secretly meet each other despite Liz’s father’s objections.
