After Lana (Kristin Kreuk) is almost assaulted by a college student (guest star), Clark (Tom Welling) loses control and injures the boy. When the Kents (John Schneider, Annette O'Toole) are sued for punitive damages that could cost them the farm, Clark begins to question his powers while trying to find a way out of the lawsuit. Meanwhile, Helen's (Emmanuelle Vaugier) ex-boyfriend arrives in town intent on winning her back, but when she turns him down, he stabs her, prompting Lex (Michael Rosenbaum) to take the law into his own hands.