Danny and Jackie are assigned to protect a key witness in a Russian mob trial, but when an attempt is made on her life, they realize there is a leak on the task force. Meanwhile, Erin is offered a job as deputy mayor, which would have her working directly with her father.
Quest roles:
Tony Terraciano(Jack Reagan), Andrew Terraciano(Sean Reagan), Gregory Jbara(Garrett Moore), Robert Clohessy(Sid Gormley), Gameela Wright(Reporter Helen), David Ramsey(Mayor Carter Poole), Chris Cardona(Repairman), Berto Colon(Det. Torres), Alexia Rasmussen(Sophia Babikov), Bob Dishy(Judge), Misha Kuznetsov(Uri Denko), Noel Joseph Allain(Boris Ostrovsky)