Joyce Greenleaf

BAU agents go to Boston to search for one of the most notorious serial killers in New England, who strikes again after a 10-year hiatus.

House shares explicit medical stories with students at a school's career day; two fifth-graders try to help House understand how his antics prevent him from showing Cuddy how he feels.

Peggy comes to a shocking realization but isn't aware her true enemies are closer than she thought; Sousa narrows in on the truth about Peggy.

Ray attempts to reconnect with his family and repair his relationship with Bridget following the shootout; Abby's medical diagnosis threatens to upend the Donovan family; Mickey plans a heist as Detective Muncie closes in on his whereabouts.

Keith has a problem with David's wish to become a deacon; Nate has dinner with Brenda's parents and meets her brother Billy.