After a gang member is killed, the Fishers find that his family's wishes for burial differ from those of his gang leader. Nate's girlfriend Brenda (Rachel Griffiths) makes an unfavorable impression during a family dinner.
A serial bomber is on the loose. Will the team with the help from Caine's old bomb squad mentor be able to work out the puzzle and find the bomber?
While Martinez investigates a series of robberies involving a fake ATM machine, Kelly's current case yields evidence that links Licalsi to the mob. Meanwhile, Lt. Fancy tries to extend his custody of a young boy whose mother is in a drug rehabilitation program.
Fancy aids a teenager arrested for heroin possession. Simone and Sipowicz target an ex-con whom witnesses identify as a murder suspect. Medavoy’s friend Abby drops a bombshell.
Nash tries to stop an insane ex-cop with a vendetta against the city from assassinating the Mayor.