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Oliver and Clark argue over whether to kill Doomsday or not; Lois and Tess get into a fight with its own consequences.
Tess gathers a team of meteor-infected mutants to track down Doomsday to give the location to Clark. When Tess learns that Clark is going to use black kryponite to trap Doomsday rather than kill him, she steals the crystal and destroys it.
Clark begins to suspect that Davis is alive. When the police issue a warrant out for Davis' arrest, Chloe thinks it's best if they both left.
Lois begins dressing as a superhero and fighting crime under the name of Stiletto, worrying Clark.
Davis goes to Chloe for help, while Tess enlists Clark's help in trying to get rid of Davis.
At Chloe's birthday party, a mysterious magician named Zantanna (Serinda Swan) puts a spell on Chloe and Lois, forcing them to switch bodies. Zantanna searches for her father's book of spells so she can conjure his spirit, but not before also granting Clark his deepest wish.
Tess Mercer invites Clark to accompany her on a press conference in New York City, but when her plan crashes, Clark must choose between saving her or hiding his powers. Davis tries to control his Doomsday monster.
Clark Kent tells Lois and the world about his secret. Linda Lake is back and makes Clark Kent out to be a public enemy. Doomsday returns.
Oliver goes to a board meeting with LutherCorp to discuss a merger between their companies, when an explosion goes off killing all board members and injuring Oliver. Oliver believes that Lex is responsible for the blast, but Clark and Lana learn the bomber is actually Winslow Schott.
When Clark discovers Lana has gone missing, he thinks Tess Mercer may be responsible. Tess tells Clark some discerning news about an old friend and then learns of some news herself at a top secret LutherCorp facility.
Clark discovers that John was shot while working as a police officer so Clark puts on his uniform and goes undercover to find out who shot him.
Three superheroes travel back in time from the future to help Clark defeat Braniac who has taken over Chloe's body.
It's Chloe and Jimmy's wedding day and the two are getting married at the Kent farm and Doomsday makes sure it doesn't go off without a hitch.
As Braniac replaces Chloe's memories with Kryptonian code, all she can remember is Davis. Clark uses the crystal he was sent to rebuild the Fortress of Solitude.