Iron Man checks out the explosion at the Manila factory, finding the cause in the boiler room. After rescuing some workers he leaves for Vietnam, where Marty and Roxanne are held captive by Chief Kuon Set over his niece Shara's objections. Kuon's ally, Crimson Dynamo, convinces him to let Roxanne go, so she can lure Iron Man to them. When Iron Man approaches, Crimson Dynamo launches heat seeking missiles. Iron Man barely avoids them. The resulting explosion distracts the Hidden City guards: Marty and Shara use the opportunity to escape. The two meet up with Roxanne while Crimson Dynamo attacks Iron Man, foolishly using a napalm spraying grenade launcher that sets the Hidden City on fire. As Iron Man saves bystanders, Crimson Dynamo escapes. Fleeing, Kuon Set falls into a tiger pit and dies. Marty decides to stay with Shara and rebuild. Roxanne and Iron Man return home separately.