Jane attends her high school reunion and brings Maura along for the ride, but the fun is cut short when one of her old classmates turns up dead on the football field. Jane must focus on the past when she realizes everyone in her class is a potential suspect. Meanwhile, Korsak gets a visit from ex-wife Melody Patterson (guest star Lolita Davidovich), who hopes he'll invest in her new business. Chris Vance returns as Sgt. Major Charles "Casey" Jones, an old flame of Jane's, and Matthew Del Negro guest-stars as Angela's car mechanic, Giovanni, who once had eyes for Maura.