Based on the popular spy series, this film follows suave international thief Simon Templar (Val Kilmer), who is contracted by Russian oil magnate Ivan Tretiak (Rade Serbedzija) to steal a formula for cold fusion. So Templar, nicknamed "The Saint" because of his use of Roman Catholic saints as aliases, finds scientist Dr. Emma Russell (Elisabeth Shue), seduces her and steals the information. However, because the formula was incomplete, Tretiak now wants to kill Templar and kidnap Russell.