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Clark and Lana each try to kill Chloe for unknown reasons after they receive a mysterious e-mail from the Summerholt Institute. Clark must discover the source of these e-mails after Chloe reveals she has uncovered proof that the laboratory is involved in mind-control research -- and someone wants to prevent her from writing an exposé. Meanwhile, Lana rents the apartment above The Talon to Adam (Ian Somerhalder), even though she feels he is hiding something dangerous about his past.

TV-14-DLV
Season 3 | Episode 11
Cast

Allison Mack

as Chloe Sullivan

Annette O'Toole

as Martha Kent

Erica Durance

as Lois Lane

John Schneider

as Jonathan Kent

Kristin Kreuk

as Lana Lang

Michael Rosenbaum

as Lex Luthor

Tom Welling

as Clark Kent