The BAU tracks a conflicted killer in Virginia who feels remorseful after committing crimes; Rossi receives a visitor.

Lincoln, Michael and Sara find the evidence they need to expose the conspiracy; Mahone forces one of the escapees to draw Michael and Lincoln out into the open; T-Bag's visit to a psychiatrist's office is more than therapeutic; Bellick is dispatched south of the border; and Kellerman sets his sights on the President.

Michael is determined to get his hands on T-Bag as much as Bellick is determined to get his hands on the millions; Lincoln and Mahone square off; Sarah faces judgment day as Kellerman decides his own fate.

Noah misdiagnoses a patient.

Grissom, Catherine, and Nick investigate the death of a runner during a competition. Meanwhile, Sara and Warrick investigate the death of a couple in a hotel room, initially thought to be a murder-suicide.

When a series of rapes is linked to a speed-dating service, Benson goes undercover and discovers Mike Jergens (Dean Cain) is the assailant.

Ruth dreads George's return from the hospital; Nate and Brenda prepare for a big day.

Keith tries to protect David; Billy attends to his sister; Claire pushes Ted away.

Several banks are robbed, surfacing clues that might help Lilly and the team solve a bank teller's 2000 murder.

Keith makes a discovery; Nate challenges Brenda; Rico and Vanessa decide to protect their future.

Nate spends time with friends from high school; Ruth gets relief from George's daughter.

Claire finds Billy's newfound lust for life seductive; visions of an early trauma haunt George.

The Fishers begin to heal from Nate's death as Brenda goes into labour.

Nate muses on the loss of his first love; Claire finds a temporary financial solution.

Ruth finds a way to unwind; David and Keith await news from Mary; Julio gets in trouble at school.

David and Keith struggle to create boundaries; Brenda and Nate receive some ambiguous news.

David and Keith become comfortable with family life; Ruth finds empowerment.

Ruth is happy to meet George's daughter; Federico pleads his case to Vanessa.

Sam struggles to take care of his sister; Sheldon finds out that Amelia has life-altering news; Addison and Jake continue to flirt.

Nate's reaction to her news upsets Brenda; Ruth shares her feelings with her knitting circle.