Sonia Jackson

The surgical staff tries to be optimistic as a young woman clings to life after a brutal attack; Meredith puts her career on the line to save a newborn in the hospital nursery; the other interns learn that it takes more than just medical knowledge to be good at their jobs.

The team travels to New Jersey where several people have been poisoned, one fatally, with LSD 10 times more potent than the street version.

After their latest run-in with Charles, tensions are at an all-time high with the PLLs and the town of Rosewood. Aria's big moment of seeing her work displayed in an art gallery is in jeopardy as Ella is determined to keep her safe at home.

After another failed attempt to defeat Red John, Patrick Jane hits rock bottom in a Las Vegas club on the fourth season finale. While the CBI investigates the murder of a John Doe on its own, Jane finds a new lover (guest star Emmanuelle Chriqui) and ends up shooting one of his own.

Walden tries to loosen up Zoey by sharing a couple of Berta's "special" brownies. MATTHEW MARSDEN guest stars as Zoey's ex-husband, Nigel.

Lieutenant Stillman asks Rush to investigate the 1980 unsolved murder of an 8-year-old boy. Stillman worked the case and is still haunted by it. Initially, the team focuses on a local thug who quickly moved away after the killing.