Star Trek: First Contact

In the 24th century, the U.S.S. Enterprise NCC-1701-E patrols the Romulan Neutral Zone to prevent interference with the Federation's battle against the Borg. After witnessing the loss of the battle, Captain Jean-Luc Picard disobeys orders and leads the fleet against the Borg. The Borg plan to travel back to the 21st century through a vortex to prevent Earth's first contact with aliens.