After Lana is almost assaulted by a college student, Clark injures the boy while helping her. When the Kents are sued for damages that could cost them the farm, Clark tries to find a way out of the lawsuit. Meanwhile, Helen's obsessive ex-boyfriend comes to Smallville to win her back but when she turns him down, he stabs her, prompting Lex to take the law into his own hands.
Elenco: Tom Welling , Erica Durance , Allison Mack , Aaron Ashmore , Annette O'Toole , Callum Blue , Cassidy Freeman , Eric Johnson , James Marsters , Jensen Ackles , John Glover , John Schneider , Justin Hartley , Kristin Kreuk , Laura Vandervoort , Michael Rosenbaum , Sam Witwer , Samuel L. Jones .