Transmutators

In a desolate, post-apocalyptic future, Earth has been conquered by a hostile alien race. An ex-military colonel, haunted by his past and the loss of his son, rallies a small band of human survivors to form an underground resistance. They must use scavenged technology, courage, and giant fighting robots to battle the alien monsters and their machines. Facing betrayal from within, they fight for freedom and a chance to reclaim their world.