After unintentionally activating a Kryptonian box that Lionel Luthor once possessed, Clark is sent to an alternate universe where he was raised by Lionel. Meanwhile, the murderous Clark Luthor to take Clark’s place.

Oliver signs up for the Vigilante Registration Act to learn what’s really involved, and discovers that it’s a ruse so that a team lead by Colonel Slade can trap and test persons with superpowers.

After seeing a video of her dead mother, Lois goes to the Fortress to make a fateful decision. Meanwhile, Clark and Tess investigate a mysterious orphanage tied to Tess’ past, and confront the headmistress, Granny Goodness, and one of her wards, Harriet.

General Lane and his daughter Lucy come to see Lois for Thanksgiving, and meet her new boyfriend. Meanwhile, Rick Flagg tries to stop the General from initiating the vigilante registration act by tricking Lucy into luring Clark away so he can kill her father.

To protect his girlfriend, Clark tricks Lois into leaving town on a story. When she realizes what’s going on, they argue but an accident strands them in the middle of nowhere. Meanwhile, Tess tries to find a cure for Alexander, who is suffering from rapid aging because of his unnatural origins.

Thanks to an Egyptian relic, Lois gains superpowers and goes on a crimefighting spree… bringing her to the attention of Cat Grant, who assumes Lois is Blur. Meanwhile, Oliver and Clark have no choice but to turn to Tess for help when dealing with Lois when she gets in over her head.

Lois takes Clark to their five-year reunion at Smallville High, and 31st Legionnaire member Brainiac 5 travels to his past to show Clark some unknown facts and future predictions of his life.

Kara returns after being sent by Jor-El to stop a dark force that he believes Clark cannot handle. Meanwhile, Lois confronts a shock jock who threatens Green Arrow, but is taken hostage when the man becomes possessed.

Clark becomes involved in a deadly game of cat-and-mouse as he tries to protect Lois’ replacement at the Daily Planet, who is being targeted by an assassin named Deadshot. Meanwhile, Hawkman introduces Lois, who currently resides in Egypt, to his wife, Shayera.

Lois finds Clark lifeless on the ground and removes the blue kryptonite dagger, leaving before Clark wakes up. Chloe continues to try and find Oliver, and Tess wakes up, resurrected in a LuthorCorp lab. Meanwhile, Jonathan Kent arrives to give Clark a message.