CBS has released the episode statement for the 22nd episode of Blue Bloods season 7. The episode is titled “The Thin Blue Line”.
When Danny intercepts a shipment of several million dollars that was heading to a drug cartel in Mexico, he becomes a target when they come back for revenge. Also, Jamie works independently to track down a serial killer who preys on the elderly, and Mayor Poole (David Ramsey) confides in Frank that he plans to retire.
David Barrett directed the episode written by Ian Biederman. Blue Bloods Season 7 Episode 22 airs on May 5 at 10|9c on CBS.