Jared Johnston

In order to protect the latest person of interest, Shaw and Reese go under cover at a high school reunion; Fusco and Finch go to Washington, D.C., to investigate Vigilance's most recent attack.

The Gelato and the Pube: Despite the details contained in Pauline's book, Charles thinks Millennial should publish it and asks Liza to be the editor. Liza learns that Pauline is clearly still in love with Charles and hopes to get back together. (S4, E08)

A local celebrity asks Frank to make an exception to the NYPD age limit; an encounter with an old rival leads Erin to look into an alleged wrongful conviction; Jamie is torn over whether to report a sergeant; Danny and Baez look for an abducted kid.

Recently captured international arms dealer Elena Fedorova orchestrates multiple bank heists throughout New York for a mysterious purpose, but she may have met her match with principled FBI agent Val Turner, who will stop at nothing to foil her plan.

Ellen has to make an agonising choice between saving her husband and protecting her children, and she finds herself forced to perform emergency surgery in her own home.