ALLISON MACK’S DIRECTORIAL DEBUT — Clark (Tom Welling) finds Tess (Cassidy Freeman) in Lana’s (Kristin Kreuk) ransacked apartment and realizes Lana is missing. Tess tells him Lex is still alive and may have kidnapped Lana and finally reveals the truth about what happened to Lana after she awoke from her Brainiac-induced coma. Meanwhile, Tess breaks into a secret LuthorCorp facility and is shocked at what she discovers.
JOHN JONES IS SHOT — Clark (Tom Welling) discovers John Jones (guest star Phil Morris) was shot while working as a police officer, so Clark dons the uniform and goes undercover to find the culprit. Meanwhile, Lana (Kristin Kreuk) confronts Tess (Cassidy Freeman) and tells her Lex isn’t the man she thinks he is. Lana’s shocking news forces Tess to reevaluate her position as the head of Luthorcorp.
DC COMICS’ LEGION OF SUPER-HEROES ARRIVE IN SMALLVILLE FROM THE FUTURE TO HELP CLARK STOP BRAINIAC AND THE PERSUADER – The aftermath of Doomsday’s (Sam Witwer) attack on Chloe (Allison Mack) and Jimmy’s (Aaron Ashmore) wedding leaves Clark (Tom Welling) in shock, but before he can search for the kidnapped Chloe, The Persuader (guest star Fraser Aithceson) appears and attacks him. Rokk (guest star Ryan Kennedy), Imra (guest star Alexz Johnson) and Garth (guest star Calum Worthy), also known as The Legion, step in from the future to help vanquish the Persuader and the group realizes Brainiac has taken over Chloe once again. Meanwhile, up at the Fortress, Chloe, as Brainiac, informs Davis he is Doomsday and was created to kill “the other Kryptonian” and destroy the world.
IT’S CHLOE AND JIMMY’S DREAM WEDDING DAY BUT TWO UNEXPECTED GUESTS CRASH THE PARTY — It’s Chloe (Allison Mack) and Jimmy’s (Aaron Ashmore) wedding day and the two prepare to walk down the aisle at the Kent farm. Meanwhile, Oliver (Justin Hartley) tells Clark (Tom Welling) he thinks he’s discovered where Lex is hiding and takes off to Cuba to confront him. However, when he arrives, Oliver is shocked to find Lana (Kristin Kreuk) instead. Clark and Lois (Erica Durance) grow closer but chaos ensues when Doomsday crashes the wedding and tries to kidnap Chloe.
BRAINIAC ERASES CHLOE’S MEMORY — Brainiac begins removing Chloe’s (Allison Mack) memories one by one until the only person she remembers is Davis (Sam Witwer). Clark (Tom Welling) realizes the only way to stop Brainiac from taking over Chloe’s mind is to rebuild the Fortress and ask Jor-El to heal her.
KARA RETURNS — Clark (Tom Welling) receives an anonymous package containing the crystal that Tess (Cassidy Freeman) found in the Arctic. When he removes the crystal, it activates and sends him and a visiting Lois (Erica Durance) to the Phantom Zone where they run into Kara (guest star Laura Vandervoort). Kara opens a portal for Lois to return but Zod’s wife Faora escapes with her and takes over Lois’ body. A possessed Lois goes on a rampage in Metropolis.
JIMMY TAKES A PICTURE OF CLARK SAVING LOIS — Jimmy (Aaron Ashmore) snaps a picture of Clark (Tom Welling) super-speeding to save Lois (Erica Durance) from a mugger and manages to catch a red and blue blur on film. Jimmy shows it to Tess (Cassidy Freeman) who decides to run it on the front page of the Daily Planet. Clark fears his identity will be discovered so he asks Chloe (Allison Mack) to run interference with Jimmy, but she refuses.
DAVIS STARTS TO SEE HIS DARK SIDE — Clark (Tom Welling) looks into a recent attack in a theater that may be the work of a serial killer. Suspecting it could be someone who is meteor-infected, he demands that Chloe (Allison Mack) release the names of the people she is counseling at the Isis Foundation, which causes a rift between the friends. Davis (Sam Witwer) fears that his blackouts could mean that he is the serial killer and collects evidence that may implicate him. Fearing the worst, he confesses his suspicions to Chloe.
CHLOE TELLS JIMMY HOW SHE FEELS ABOUT CLARK — After they leave their engagement party, Chloe (Allison Mack) and Jimmy (Aaron Ashmore) are abducted by a psychotic jeweler (guest star David Lewis) who was emotionally scarred by his wife’s infidelity and is now kidnapping couples and subjecting them to a kryptonite-enhanced lie detector that shocks them if they lie. The abductor asks Chloe if she is in love with anyone else. Meanwhile, in an effort to find Chloe and Jimmy, Clark (Tom Welling) and Lois (Erica Durance) pose as a couple and are kidnapped themselves then, asked how they feel about each other.
DC COMICS CHARACTER MAXIMA SETS HER SIGHTS ON CLARK — Tess (Cassidy Freeman) and her team perform tests on Clark’s (Tom Welling) crystal that she had retrieved from the arctic, causing it to send a beam of light into the universe. This triggers the arrival of Maxima (guest star Charlotte Sullivan), a queen from the planet Almerac, who is searching for her soulmate, who she believes sent the signal. Unfortunately, Maxima’s power is too great for mortal men and her kiss kills them. The seductive Maxima arrives in Metropolis and begins her search, starting with Jimmy (Aaron Ashmore).
OLIVER FLASHES BACK TO HIS DAYS ON THE ISLAND AND LEARNS MORE ABOUT HIS PARENTS’ DEMISE — Oliver (Justin Hartley) collapses at a charity event and reveals he only has 24 hours to live. Clark (Tom Welling) and Chloe (Allison Mack) call Davis (Sam Witwer) for help but his prognosis is grim. Delirious, Oliver flashes back to when he was stranded on an island and first learned how to use a bow and arrow. He also recalls meeting Tess (Cassidy Freeman) for the first time on that island after she had been kidnapped by a drug runner. Meanwhile, Chloe decides to use her new powers to help save Oliver, shocking Clark.
DC COMICS CHARACTER PLASTIQUE BLASTS INTO METROPOLIS; DAVIS BLOOME ARRIVES IN SMALLVILLE — It’s Clark’s (Tom Welling) first day at the Daily Planet with Lois (Erica Durance), and the pair are immediately thrown together on a story when a bus explodes outside the office. Clark rescues Bette (guest star Jessica Parker Kennedy), a young girl who bonds with Chloe (Allison Mack) over their shared meteor abilities, but Bette is hiding a big secret. Paramedic Davis Bloom (Sam Witwer) arrives in Metropolis and is drawn to Chloe.
THE JUSTICE LEAGUE RETURNS TO FIND CLARK AFTER THE COLLAPSE OF THE FORTRESS; THE NEW CEO OF LUTHORCORP COMES TO TOWN — The Justice League, led by the Green Arrow (Justin Hartley), hits the Artic in search of Clark (Tom Welling), who disappeared after the fortress collapsed. The team immediately has a confrontation with the new CEO of Luthorcorp, Tess Mercer (Cassidy Freeman). Meanwhile, Chloe (Allison Mack) is being held prisoner by a suspicious group who has discovered she has a new power, and Clark has been stripped of his powers by Jor-El.