Warning, may contain episode spoilers.

The CW's Official Description (Added 8/28/08): THE JUSTICE LEAGUE RETURNS TO FIND CLARK AFTER THE COLLAPSE OF THE FORTRESS; THE NEW CEO OF LUTHORCORP COMES TO TOWN — The Justice League, lead by the Green Arrow (Justin Hartley), hits the Artic in search of Clark (Tom Welling), who disappeared after the fortress collapsed. The team immediately has a confrontation with the new CEO of Luthorcorp, Tess Mercer (Cassidy Freeman). Meanwhile, Chloe (Allison Mack) is being held prisoner by a suspicious group who has discovered she has a new power, and Clark has been stripped of his powers by Jor-El. Erica Durance and Aaron Ashmore also star.

Source of information - http://www.kryptonsite.com/