Michael investigates police corruption on the NYPD, which worries the district attorney and alarms Eddie, whose friend may be indicted. Meanwhile, Danny tries to reconcile with Caitlin, who is mourning Rebecca's death.

A British art gallery in New York is rolled by suspected Irish terrorists and Michael tries to get his hands on the deathbed confession of a suspected to his priest, before the British are able to extradite the others involved. Meanwhile, Michael prepares his nephew for his first communion.