Don Wildman examines the tombstone of a young woman may have haunted a small New England town, exposes the man behind one of New York City's most elaborate and historic scams, and visits the country's most infamous prison.
As Graduation Day approaches, Caroline tries to distract Elena by focusing on simple tasks like sending out announcements, but Elena won't be swayed from her new obsession. Sheriff Forbes calls Damon and Stefan to the hospital, where someone has been attacking patients. Still trying to force Katherine to help her, Bonnie refuses to give up on her plan to defeat Silas. As a violent wind storm causes a power outage in Mystic Falls, ghosts suddenly appear - some with good intentions and some bent on revenge.
Sherlock agrees to take a case from a man claiming to be Moriarty, hoping it will bring him closer to finding his nemesis. Meanwhile, Gregson encourages Joan to give up the dangerous line of work she has chosen and go back to being a sober companion.
The doctors of Grey Sloan Memorial Hospital prepare for a super storm heading towards Seattle. Owen's desire to be a parent gets stronger as he becomes closer to Ethan. One wrong move puts the lives of Meredith and her baby in jeopardy. Meanwhile, Jo looks to Alex for help in a moment of crisis, and one doctor gets the shock of her life.
Finch and Reese team up with unexpected allies as they race to fix the machine; as Detective Carter tries to apprehend Cal Beecher's murderer, she finds herself up against HR -- a criminal organization.
Flynn and Vega identify a suspect in the death of an executive assistant, but there appears to be no motive.
Jim convinces Dwight that he needs to choose someone to act as an Assistant to the Assistant Regional Manager; the two subsequently hold tryouts for the position. After her daycare turns away her child, Angela is forced to bring her kid to work. Andy auditions for "The Next Great A Cappella Sensation".
A musically-talented teenager returns to her native Buenos Aires after living in Europe.
The music business is Zach's next frontier as the front man of the first ringtone band. Embracing his "rebel" persona, he takes to the stage with his sidekick Greg and the beautiful Christy.
Cat and Vincent go on a date out in public in an attempt to be a normal couple, which backfires on them. Meanwhile, Gabe reveals some information that gives Cat hope they can find a cure for Vincent.
Walden dates an attractive 22-year-old (Hilary Duff), but ends up being more interested in her grandmother (Marilu Henner); Jake and Alan go on a trip.
A date between Raj and Lucy takes both of them out of their comfort zones. After a trip to Las Vegas goes awry, the girls join in on a Dungeons and Dragons game, which causes Amy and Sheldon to re-evaluate their relationship.
The White House is in the middle of its biggest scandal to date and Cyrus is in the eye of the storm. Meanwhile, someone close to Olivia betrays her and the team.
With big gators getting harder to catch, the next generation of swampers steps up and helps their families get through some of the deadliest challenges yet. A pair of brothers go on an epic adventure for gators, employing ingenuity and fighting peril while journeying to a land not hunted in forty years. A swamper gets called back to his office job and is determined to make his last day hunting one to remember. A young hunter's risky night scout pays off.
Aiden has to defend himself in an embarrassing sex scandal that threatens to derail any chance of a political comeback and also further threatens his marriage. As he wrestles both back from the brink hediscovers Freya has been less than honest about her whereabouts and the time she is spending with Bruce.
Officers from the Newport News Police Department in Virginia put a stop to a pursuit in progress and deal with an unstable suspect who claims to have called the police for assistance. Next, a routine traffic stop in takes a turn when officers from the Alameda County Sheriff's Office find a bag of marijuana and evidence of a pending transaction through text messages. Finally, the Las Vegas Metro Police Department respond to a domestic violence call after a man and his stepson engage in a heated verbal argument.