Fiona deals with a paranoid kidnapper who's hiding a secret. Elsewhere, Michael tries to take down a black operative, but the mission soon gets out of control.
Freddie is loved up. Completely. He and Effy are enjoying their time together and carrying on their hedonistic ways with no thought of tomorrow.
Cleo's introduced to Ryan, a young geophysicist who's working for Samantha. Rikki doesn't react well to Cleo consulting Ryan about the Mako rock and a fracture begins to appear in the trio.
The first meeting of Duncan and Ben does not go well, leaving Belle facing a dilemma: which man should she choose to keep in her life?
Ash and company arrive at the Sunyshore Gym where they find Voltner, the Gym Leader, has given up on battling.
Shawn and Gus are recruited into a think tank to help prevent the murder of a business tycoon, but once the group has disbanded, they realize that one of the members plans to use the assassination ideas to kill the client instead of save him.
Rikki's frustrated by the water attacks and goes to Mako Island on a full moon to confront the strange force in the Moon Pool. With Cleo and Bella delayed, Will pursues her and discovers she's been affected by the experience.
A geek has his revenge against a jock, the deadly results from a corset and a British torturer comes up with an idea for a man that's too tall for the rack.
Each tribe must select an ambassador to capture an opposing tribemate, who will be part of their tribe from that point forward. That person will be granted immunity for the next tribal council. They will also be able to obtain an item of value from the other team.
A new threat arises when the evil hooded villain, Damaged, frees himself and a bus full of failed experiments, criminals and mutants. Once free, Damaged begins picking off the remaining Omega Defiance members looking for the last vial of intelligence serum. Dr. Necros comes looking to Aaron Stone for protection, but instead lures him into Damaged’s clutches. Meanwhile, Jason is determined to get Charlie a dream job working at the video game and comic store.
When Charlie (Aaron Stone) discovers that his father worked for the Omega Defiance, the news sends him into a tailspin as he tries to prove that his father wasn’t evil. Charlie follows clues left by his father to track down an intelligence serum, which leads Aaron to a rematch with Damaged over the vial. With new threats to the world, T. Abner Hall enlists Vas and Ram to create a "Hero Rising" expansion pack incorporating the new villains to help Charlie train for his inevitable confrontation with this new evil. Meanwhile, Jason pretends to be Charlie as he begins working at the video game and comic store.
Sophie uses Bella's idea for a fundraising concert and presents it as her own to Rikki to gain publicity for the cafe. Cleo's caught in the crossfire with Kim when Samantha moves in and puts her stamp on the Sertori home.
An old rival of Neal's lays down a challenge: to see if either of them can create an impossible forgery. But as the rival uses brutal and deadly tactics to achieve his ends, Neal quickly realizes that much more is at stake than bragging rights!
Paddy's plans to salsa into the sunset with his new love D'een are scuppered when Mimi forces him to guarantee the financial security of the family with one last job - targeting the drug money of notorious psychopath Roscoe. Torn between a new life with D'reen and his family responsibilities, Patrick calls upon his sons for help. Meanwhile, Liam is suffocating under an avalanche of household debts and the fallout from trying to gamble his way out of trouble. Looked upon as a massive disappointment by Frank, and with no options left, he is driven to desperate measures. And Jamie is literally flat-out trying to keep his family afloat while Karen is coming apart at the seams.
The post-apocalyptic drama reaches its thrilling conclusion as the fates of the Family, the Lab and the rest of the world come crashing together in a deadly showdown.
Harry loses his cool with 3 swimmers that he's forced to rescue just seconds after warning them not to swim in a dangerous area. However, calling them "imbeciles" and "idiots" puts him in hot water.
On Jacob's orders, Hurley leads Jack to a lighthouse. Meanwhile, Claire questions an Other she has captured while tending to an injured Jin. In the flash sideways, Jack is a single father trying to bond with his son.
When Alex has sex with a lacrosse player's girlfriend, he unwittingly breaks a 23-year football/lacrosse team truce, causing a take-no-prisoners war which he must figure out how to end.
Murdoch is called to Station House Five when a decorated constable is murdered and the local detective is ill. Murdoch finds that everyone is ready to blame an elderly Chinaman named Fong Choy because of something to do with his granddaughter, but she is nowhere to be found and Fong Choy won't talk.