A sense of foreboding surrounds Smallville as Clark (Tom Welling) must choose between staying with Lana (Kristin Kreuk) and his family or fulfilling his destiny to rule the Earth. Meanwhile, Lex (Michael Rosenbaum) and Helen (Emmanuelle Vaugier) plan their upcoming wedding, but outside forces may ultimately keep them apart. Also, a hurt Chloe (Allison Mack) considers Lionel's (John Glover) offer to investigate Clark.