Mike Rowe cleans out a Connecticut lake and then turns gourds into artwork in Pennsylvania.
A new client forces Heather to realise that beneath her liberal facade she does have certain boundaries. Spurred on by a car salesman client and looking for some adventure, Lauren buys herself a new car and becomes a lead foot. Tippi takes on Martin, a client who made Chloe distinctly uncomfortable, and whilst working at 232 fixing the sound-system, Josh is confronted by the reality of Chloe's work. Sensing he's troubled, Tippi's on hand to distract him.
San Francisco lawyer Eli Stone begins to see things, which leads him to discover a brain aneurysm. But his visions lead him to accept cases with little monetary gain but a lot of moral goodness.
Abby learns of a group of young boys living at a nearby mansion called Waterhouse. She leaves her new friends in order to find her son, Peter. When she arrives at Waterhouse she walks into the middle of a land dispute between an ex-army officer and an aggressive group of teenage boys. She must try and broker a truce in order to discover if Peter is at the house. Tom, Sarah, Al and Najid are drawn to the comfort and security that Samantha's community provides. Things quickly go wrong for Al as he is ejected from the community. Tom sees the chance to prove himself to Samantha, but will his criminal past catch up with him? Greg and Anya have an encounter with some unwelcome visitors that provides a vivid reminder of how vulnerable they are without the group.
A beaten and raped woman who has no memory of what happened to her puts Benson and Stabler on the trail of a serial rapist, but when women refuse to testify Olivia will have to face how her assault has affected her job performance.
Jim urges Andy to propose to Emily or risk losing her, but when he sees Emily dining with another man, he doubts the wisdom of his advice.
Jim and his band win a chance to play for a child pop sensation Jami McFame, but when the star gives them an attitude, Jim decides to set her straight.
Mel tries to prove she doesn't need help from Angela when she considers renting the apartment above Sam and Mel, to be closer when the baby comes.
As we descend beneath our modern day cities, we are met with ancient and hidden secrets. Journey with us back through history and rediscover cities of the underworld.
Sarah's father, a con artist, comes to meet her, revealing that he conned a Saudi Arabian sheik, Rajiv Amad, out of nearly a million dollars. The sheik turns out to be connected to terrorist fundings, so the General wants Sarah and Chuck to gain intel from Sarah's father, but things get complicated when Amad shows up. Anna wants to take her relationship with Morgan a step further and asks him to move in an apartment with her. Devon lends him some money to buy one, but instead, he buys a car.
Evelyn offers to pay for Jake's college education, and Alan becomes listless because he has no compelling reason to work anymore, while Jake discovers a hidden talent in the culinary arts that may allow him to bypass college altogether.
Ted (to prove he's not a milquetoast) and Barney (to impress Robin) pick a fight with a group of guys sitting in the gang's favorite booth at MacLaren's.
Terminators come after a family whose unborn daughter plays an important role in the war against the Machines, and Sarah, Cameron, and Derek try to protect them.
The entire Upper East Side of Manhattan is rocked when Bart Bass dies suddenly in a limo accident. Serena and Eric take the news very calmly while Lily has a troubling time despite her mother, Cece's, awkward attempts to comfort her. Chuck begins to blame Lily for his father's death and threatens to reveal a secret that Bart found on her before his accident. Meanwhile, Blair's mother, Eleanor, prepares for her latest marriage to Aaron's father Cyrus.
Michael, whose condition is deteriorating, winds up in the hands of The Company who promise Lincoln that they can save Michael's life in exchange for a favor. Elsewhere, Gretchen and Self wind up with Scylla and a buyer.
Financial problems may force Crane Poole & Schmidt to be put up for sale in the series finale, which also finds Alan petitioning the Supreme Court for Denny's access to a non-FDA approved medicine, and Shirley and Carl planning their wedding.
Financial problems may force Crane, Poole & Schmidt to be put up for sale. Meanwhile, Alan petitions the Supreme Court for Denny's access to a non-FDA approved medicine; and Shirley and Carl plan their wedding.
Leonard asks Penny for advice when his new relationship starts moving too fast.