The film tells a story about the heroic feats of soldiers of a forefront unit who breathed their last after protecting the revolutionary site and combat technical equipment associated with the undying leadership exploits of Kim Jong Il, supreme commander, under an unexpected situation.

A squad leader, who devotes his all to completing the squad's combat preparations, puts off his application for party membership by himself, comparing what he has done with the efforts exerted by party members to make a breakthrough in any difficult and tough work.

Seeing him, other members of the squad keenly feel that any application for party membership means an oath of unshakable faith and conscience to be taken by a soldier before Kim Jong Il.

On his way to the unit after combat training, the squad leader finds a forest fire break out all of a sudden. He loses no time to lead members of his squad to fight the raging flames. They lay down their lives to protect the revolutionary feats of the party and the leader.

The squad leader and his men set examples in their actions to devotedly defend the leader to enjoy an eternal life as honorable members of the Workers' Party of Korea under the care of Kim Jong Il.