In Moontrap: Target Earth (2017), a group of astronauts discovers an ancient alien machine buried beneath the moon's surface. As they investigate further, they realize that the machine could be a threat to humanity, and they must find a way to stop it before it's too late.

In Moontrap, astronauts find themselves trapped in space, tied up and chained to a wall. They encounter violence and face a language barrier with an alien species. The movie involves alien invasion, monsters, and a killer robot. It also explores the themes of outer space, science, and a surprise ending. Set in the year 1969, the movie follows the story of a father and son relationship.