After the first attack of aliens on our planet twenty years. Humanity has not yet fully recovered from those awful events, but was able to master alien technology, which created a new system of defence Land. Part of the system deployed on the moon, where it operates a secret military base. Dylan, the son of Steven Hiller, deceased a few years ago, joined the army and became a fighter pilot. The military leadership is confident that aliens, leaving the planet, left it to the lighthouse, only to discover it failed. They were right, and soon the Earth was subjected to another attack, the scale of which is absolutely not comparable with the previous invasion. Will humanity be able to provide decent resistance to alien and save their planet?..