Set in the not-too-distant future, a mysterious catastrophe causes global communications to be disrupted, power systems to be paralyzed, and the vast majority of the population to disappear instantly. The few remaining survivors are mainly concentrated in Eastern Europe, forming an outpost of survivors. These survivors consist of soldiers, scientists, and ordinary people who are trying to uncover the truth about the disaster and fight against an unknown enemy.
At the outpost, the survivors gradually discover evidence of an alien invasion. These aliens possess advanced technology and powerful weapons that threaten the survival of humanity. As the story develops, the protagonists reveal the truth about the alien invasion and plan a series of counter-attacks to protect the survivors and fight back against the alien invaders.
Through its tense plot and heart-stopping action scenes, the movie demonstrates the spirit of mankind's unity and resistance in the face of despair.