With the help of long presumed dead Captain Kirk, Captain Picard must stop a deranged scientist willing to murder on a planetary scale in order to enter a space matrix.
The Borg travel back in time intent on preventing Earth's first contact with an alien species. Captain Picard and his crew pursue them to ensure that Zefram Cochrane makes his maiden flight reaching warp speed.
When the crew of the Enterprise learn of a Federation conspiracy against the inhabitants of a unique planet, Captain Picard begins an open rebellion.
The Enterprise is diverted to the Romulan homeworld Romulus, supposedly because they want to negotiate a peace treaty. Captain Picard and his crew discover a serious threat to the Federation once Praetor Shinzon plans to attack Earth.