Scott, Stiles and Allison suffer side effects from the ritual sacrifice Sheriff Stilinski searches through old cases.
Lisa's staff heads to Cabo for Stassi's th birthday, but a vulgar comment from Scheana turns the celebration into a catfight. When a drunken argument ends with a drink thrown in Katie's face, Stassi lashes out at her friends for taking the spotlight away from her birthday.
Father Brown is sceptical when a parishioner believes she's being haunted by her sister who went missing years ago. However, when she herself vanishes, he must investigate both disappearances.
Det. Kennex and Dorian investigate Simon, a psychopathic killer who is strapping bombs to his victims' neck and broadcasting their final moments over the internet. When Simon targets Kennex, the team is in a nail-biting race against time to save his life. Meanwhile, a power deficiency affects Dorian's energy level, causing him to have unexpected outbursts
After Duncan discovers Sandrine's betrayal, he decides to use her to save Nina and Sawyer. Also, just before Ellen is to operate on the President, the First Lady confronts her and forces Ellen to tell the truth about the assassination plot.
Emma's powers intensify when she finds the Hexoren Maddie learns to undo spells Diego tries to hide the discovery of his powers Emma prepares for her first date with Daniel.
When Castle and Beckett discover that the victim of a building fire was actually shot to death, they get on the trail of a serial arsonist turned murderer. Meanwhile, Ryan's wife, Jenny, goes into labor, but disaster threatens to ruin the joyous moment.
After Duncan discovers Sandrine's betrayal, he decides to use her to save Nina and Sawyer. Also, just before Ellen is to operate on the President, the First Lady confronts her and forces Ellen to tell the truth about the assassination plot.
After the murder on the bridge, the killer makes his presence known and chooses a tabloid journalist to act as a contact with the outside world.
Former Bletchley Park worker Alice Merren is in prison awaiting trial for the murder of the eminent scientist John Richards. Driven by her belief in Alice's innocence and that she is hiding the truth about John's death, Jean attempts to regroup the circle in order to help establish the innocence of one of their own.
Susan Zarriello thought her abusive ex-husband, David Richards, was nothing more than a bad memory. But when he unleashes a sadistic torrent of cyber attacks 15 years after their divorce, Susan realizes he's been watching the whole time.
Dennis and Lane look to purchase an island in Fiji that will work for their business and families.
Real Estate Developer Avi is in love with the warm climate and clear waters of the Florida Keys and wants to purchase a new family home on one of its many islands. With daughter Eli and island expert Chris Krolow in tow, he tours three beautiful islands compounds located near Marathon, Florida and hope to find his dream home in the island chain nestled between the Gulf of Mexico and the Atlantic Ocean.
Stephanie plans activities at home when the family gets snowed in on their vacation.
The FBI is tasked with finding the killer of several DEA agents, and Jane goes on a date with a beautiful woman associated with the case.
Brothers Rick and Marty Lagina now own most of the mysterious Oak Island. Determined to resurrect the 200 year old search for treasure, they explore an abandoned shaft called 10-X. What they find gives them reason to believe that the stories of something buried on the island may very well be true.
The Graysons try to protect their own as suspicion grows about the shooting of Emily Thorne.
Sherlock faces his biggest challenge of all delivering a Best Mans speech on Johns wedding day But all isnt quite as it seems. Mortal danger stalks the reception and someone might not make it to the happy couples first dance. Sherlock must thank the bridesmaids, solve the case and stop a killer.