Linda Lake comes back to Smallville and blackmails Clark to expose his true identity. However, Clark decides he will reveal his secret by himself. A fanatic teenager fakes a fall so Clark can save her.

Chloe and Lois are attacked by two thugs which one of them is hit by Lois with her heel, she starts feeling a bit heroine about it so she recruits Jimmy for the picture so she can convince the people she is Metropolis' new hero, with the name of 'Stiletto', so she can take away the famous red and blue blur. However, Lois may end having contact with this red and blue blur when Clark wants to try to track down the mysterious 'Stiletto'. While Clark tries to help Chloe recover her stolen laptop computer with all of the Justice League's files on it, she continues to hide Davis in the basement of The Talon. Elsewhere, Jimmy is working as a bartender at a nightclub where the thugs who robbed Chloe and Lois reside and are plotting to kill Stiletto to reclaim the city for themselves.

After being hit by a truck, John Corben becomes a human guinea pig when his heart is replaced by a machine powered by meteor rocks, which, in turn, gives him extraordinary strength, and he realizes he can use it to catch his prey...the Red & Blue Blur.

Clark, unknowingly, exposes himself to Zod when a virus is released on Metropolis that turns its residents into zombies.

Superhero twins Zan and Jayna (aka: the Wonder Twins) show up in Metropolis to help 'The Blur' fight crime with their combined shape-changing abilities. But the clumsy and naive teenagers end up botching several rescues, landing Clark in hot water with the District Attorney's office. Clark decides to come forward as The Blur to clear his name despite Chloe's protests. Meanwhile, Lois begins seeing a therapist to deal with her growing romantic feelings for Clark, and gets dangerously close to discovering his secret identity.