Lana's sudden attraction to a teen with magnetic powers arouses Clark's suspicions that the boy is able to control her mind. Elsewhere, Lex confronts Chloe about her past investigations of his father.

Clark tries to prove Lex's sanity and prevent Lionel from forcing electroshock therapy on his son. Also, Lana meets a mysterious guy in the hospital while recovering from her injuries; and Clark runs into former enemies who plan to steal his strength.