Danielle Lee Greaves

Frank goes head-to-head with a data-tracking company when they refuse to unlock the phone of a terrorist that may hold information regarding upcoming targets. Also, when Erin obtains information about an impending murder from a shady source, she gets Danny and Baez involved, despite the questionable agenda of the informant, and Jamie and Eddie try to locate a woman who kidnapped a newborn baby.

Holmes and Watson investigate a homicide in which the victim was murdered in a manner reminiscent of the crimes of an infamous, and already incarcerated, serial killer. Also, Sherlock and Joan tutor Detective Bell for a police sergeant's exam that would lead to a promotion and a post at another precinct.

When Paige’s long-ago indiscretion threatens to resurface and destroy the family, Philip and Elizabeth find themselves scrambling – and Paige finds herself reevaluating who her parents really are.

When a prisoner serving a life sentence escapes, the 7-4 teams up with the U.S. Marshals to track down the convict before he finds the cop who put him away: Deputy Inspector Regina Haywood. Also, Officer Quinlan struggles with her living situation.

With Bentley fighting for his life, Haywood and team race to track down the shooter, whose true target may have been another one of their own.