This extraordinary episode opens with the dawn arrest of a man on suspicion of conspiracy to murder. The film documents the work of the lead detectives as they investigate and interview the suspect about his involvement in a plot to shoot a man. While driving to work, the victim was hit from behind by another vehicle. When he stepped out to inspect the damage he was shot in his leg by a close range sawn-off shotgun, sustaining life-threatening injuries. The police believe the case arises from a potential love triangle that has spiralled out of control. Detectives have 24 hours to gather enough evidence to charge or release him.
Beckett is called to an accident scene to find Castle's car in a ravine, engulfed in flames.
Ichabod and Abbie concoct a daring plan to try to rescue Ichabod's wife from the Headless Horseman by resurrecting a Frankenstein-like monster created by Benjamin Franklin. Frank faces new trouble after revealing the true details of his encounter with a demon. Jenny finds herself at odds with the new sheriff in town.
Sparks fly when some ancient wolfblood relics are discovered, and Tom finds a kindred spirit in Kay.
Leo tries to show off his bionic arm to Janelle. Meanwhile, Agent Graham promotes the Lab Rats as bionic celebrities, but when they realize they missed a mission because of him, they decide to get Donald back as their leader by pretending to have glitches in their bionics to humiliate Graham in front of the President of the United States when he comes to visit them. In the end, Donald is back as their leader after Agent Graham is fired by the president, arrested by the Secret Service, and sent to prison.
Detectives Gordon and Bullock investigate a child trafficking ring preying on Gotham's street kids, including Selina Kyle. Meanwhile, Penguin resurfaces in the countryside and begins to make his way back to Gotham.
The governor calls on Team Scorpion when his daughter is mysteriously "bio-hacked" with a deadly virus and only has 24 hours to live. The case takes on a deeper significance for Walter after he receives a letter regarding his sister.
Amy takes a look at an all-purpose emergency rescue vehicle with a difference.
Wolowitz feels nervous when he is asked to throw the first pitch at a Los Angeles Angels game. Penny and Leonard want to prove Sheldon wrong after he says he and Amy are the better couple.
Camilla is participating in the Rio Carnival with her father. However, she needs to practice her samba dance moves. Once she and her father arrive at the Sambadrome, they have a great time. That is, until a flat tire stopped the entire show from moving on. How is Jett going to solve this problem?
Mike buys a 1989 canary yellow (in and out!) 2.5L 6 cylinder LHD BMW Z1 roadster with a noisy clutch bearing, missing indicator stalk, misbehaving unique electric driver's door and a patchwork quilt of a back box exhaust.
It's Cal's funeral and the traveller community are preparing to put his body in the ground. Tina reaches out to Eli, but he's haunted by the unexplained changes he'd seen in Cal in the last few years. When Chris, who was in care with Cal, appears at the graveyard, Eli follows him hoping he has some answers, but uncovers some disturbing secrets. Meanwhile, Janine is still in custody. Only Rob can provide her with an alibi, but this will mean coming clean about being unfaithful to Tina. When Rob's stalker sends him another threatening video, the pressure mounts to tell the truth and Rob is forced to make a choice. Ruth finds herself in Dominic's arms once more. Desperate to ignore her unravelling personal life, she throws herself into her work and uncovers CCTV footage of a hooded man arguing with Cal on the night he died. But who is he, and what did he want?
While doing the recycling, Grumio finds a baby behind the bins and takes it home to raise as his own. Stylax uses it to strike up a relationship with an attractive young wet nurse. Meanwhile, Marcus tries to avoid seeing Cynthia's painfully boring one-woman play.
UCOS want to talk to a Turkish girl who is found working illegally in Dalston, regarding a unsolved murder from 2009. The landlord of a pub, Richard Gibson, died in a fire and the case had remained unresolved. The team meet the landlady of the pub, Joanna Gibson, who is also Richard's widow. His best friend, David is also someone of interest, especially when the team find out the French champagne he is selling, is actually sparkling wine produced in Britain. Sasha enters the team into a 5-a-side football competition.
Comedians Seann Walsh and David Mitchell help Richard in his endeavour to prove that gadgets can make it possible to lead a full life, without even leaving the house.
Maddie is recovering from her knee injury and decides to take up a new hobby. Meanwhile, Karen asks Liv for advice on dressing cool, which results in a mother-and-daughter fashion face-off.
The president announces the winners of the Lottery, as the mystery behind the infertility crisis comes to a head.
Dutch returns with a plan to broadcast Eph’s warning about the vampiric plague. However, they face a new threat when Eichhorst launches his own attack against the pawn shop. Palmer receives a special visitor, and Gus gears up for the on-coming fight but discovers there’s another mysterious factor involved.