Whitney (Eric Johnson) returns home from the Marines looking to rekindle his relationship with Lana (Kristin Kreuk) but his suspicious behavior prompts Clark (Tom Welling) to question his true motives, ultimately revealing a shocking truth about "the new Whitney." Lex (Michael Rosenbaum) becomes suspicious of his new girlfriend (guest star Emmanuelle Vaugier, My Guide to Becoming a Rockstar) after he discovers a questionable photo of her with Lionel (John Glover).