As Zod and his Kandorians make their move, Clark must consider whether to use the Book of Rao despite the cost to himself. Chloe unites the other heroes of Earth to oppose the Kryptonians, while Tess seeks redemption and pays the price.
Much to Clark’s surprise, Martha Kent returns to Smallville with her new boyfriend, Perry White in tow. Lois and Perry realize they are both working on the same story about the Red Queen, and decide to team up, which ultimately puts them in serious danger. Chloe helps Clark search for the Book of Rao, which they believe contains information on how to stop Zod and his army.
Tess breaks into Watchtower, triggering an elaborate security system that Chloe installed, ultimately trapping the two women inside. Chloe realizes that the Kandorians are downloading information about from the Watchtower server, which prompts her to make a drastic move. Oliver confronts Zod and winds up clinging to life with a Z scorched into his chest. Clark realizes Zod has given his soldiers super powers.
The Blur comes between Clark and Lois when she vows to protect the Blur’s secret… unaware that Zod is impersonating Metropolis’ hero. Meanwhile, former D.A. Sachs is out of prison and working with the Black King to learn the identity of the Blur, and a new editor gives Clark and Lois an ultimatum.
Lois investigates a hidden lab where Tess’ scientists are conducting experiments with red kryptonite. She inadvertently starts an explosion, and when Clark later investigates, he becomes infected. His worse self is unleashed and he joins forces with Zod against the humans, forcing Tess and Chloe to team up to stop them both.
Tess creates an elaborate hoax in order to kidnap Green Arrow, and delivers him to Amanda Waller, who tells him that that the government is recruiting him to serve his country. However, Green Arrow escapes before they can reveal his identity. After Oliver brings Clark and Chloe up to speed, the three investigate and Clark is surprised to find John Jones investigating Oliver’s kidnapping too. Clark senses that John is keeping information from him. Oliver and Clark are shocked when Tess reveals that Amanda is after something called “Watchtower.” Waller threatens to kill Chloe unless Clark gives her the names and locations of the rest of the Justice League.
Bernard Chisholm, a doctor who died and was brought back to life by the Kandorians so they can experiment on him, escapes and kidnaps some Kandorians in order to prove aliens have invaded Earth. Bernard tries to get Lois to write a story validating his claim, but when Lois refuses, he kidnaps her too. In an effort to save his people, Zod poses as a reporter from the Daily Planet and uncovers Bernard’s secret lab. Clark arrives at the lab just in time to see Zod get shot.
Bernard Chisholm, a doctor who died and was brought back to life by the Kandorians so they can experiment on him, escapes and kidnaps some Kandorians in order to prove aliens have invaded Earth. Bernard tries to get Lois to write a story validating his claim, but when Lois refuses, he kidnaps her too. In an effort to save his people, Zod poses as a reporter from the Daily Planet and uncovers Bernard’s secret lab. Clark arrives at the lab just in time to see Zod get shot.
It is Valentine’s Day and while Clark is out on a date with Lois, he unknowingly becomes infected by gemstone kryptonite, which has magical wish-fulfilling properties. Clark mentions to Lois that he wishes they had a more traditional relationship,so Lois quits the Daily Planet, moves in with Clark and starts planning their wedding. Still unaware of his new power, Clark also casually tells Chloe he wishes she would spend more time watching out for him, so an infected Chloe takes his wish to heart and sets her sights on a new target – Lois
Clark meets Zatanna at a comic book convention, where she tells him her father charmed a copy of the comic book “Warrior Angel” and it holds magical powers. A young man named Stephen steals the comic book and develops super powers, transforming himself into Warrior Angel and saving Chloe from a horrible accident. Meanwhile, Lois becomes jealous of Clark’s relationship with Zatanna.