Plot summary
In the middle of a baseball game between Boston Police Department and the Drug Unit, a woman's body is dropped onto the field from a nearby bridge. When another strangling victim is found, Korsak notices the two victims have the same names as the first two victims of the Boston Strangler. Korsak is passed over for promotion despite scoring 100% on the sergeant's exam. The unit finds out their new lieutenant is Joey Grant ( Donnie Wahlberg ). Jane not only grew up with Grant, they went to school together, where their life-long rivalry began.
Credits
Adapted from Wikipedia contributors, List of Rizzoli & Isles episodes. HTML formatting and reference markers removed.