Capt. Picard, with the help of supposedly dead Capt. Kirk, must stop a madman willing to murder on a planetary scale in order to enter a space matrix.
Capt. Picard and his crew follow the Borg back in time to stop them from preventing Earth from initiating first contact with Vulcans.
When the crew of the Enterprise learn of a Federation plot against the inhabitants of a unique planet, Capt. Picard begins an open rebellion.
After the Enterprise is diverted to Romulus, supposedly to negotiate a truce, the Federation discovers the Romulans are planning an attack on Earth.