Danny reunites with Mickey Patrick, his childhood friend and a former criminal, who comes to him for help finding his missing fiancee; Anthony surprises Erin with one last stakeout before…

After a list with the real identities of undercover bureau operatives leaks, Brian develops a personal connection with FBI Agent Lucy Church, a tenacious rule-breaker, when he helps her finish…

Sherlock assists with a double homicide that has the same M.O. as a series of murders that took place 13 years ago. Meanwhile, after being frozen out by Sherlock, Watson…