Given incredible power by an ancient Celtic Cross. Callan continues to fight evil... Now, joined by a team of weapons experts, Callan battles an unstoppable empire in Los Angeles.

Based on the classic sci-fi novel by H.G. Wells, scientist and inventor, Alexander Hartdegen, is determined to prove that time travel is possible. His determination is turned to desperation by a personal tragedy that now drives him to want to change the past. Testing his theories with a time machine of his own invention, Hartdegen is hurtled 800,000 years into the future, where he discovers that mankind has divided into the hunter - and the hunted.