We all know that will return.After the movie Independence Day - a genre of event film series, the next epic chapter talks about a global disaster with unimaginable scale.Using technology obtained from aliens, countries on Earth have cooperated with a great defense program to protect the planet.But we have not yet been equipped to be able to resist this advanced and unprecedented alien forces.Only the skillful talent of a few brave men and women can revive our world from the brink of extinction.