The Enterprise responds to a distress call from Rana IV, a Federation colony that is under attack from an unknown alien ship. When they arrive, they find the entire surface of the planet destroyed, save for a single house and two occupants.
While the Enterprise hosts negotiations for control of a stable wormhole, Troi forms a personal relationship with an opposing negotiator, unaware of his true being.
Investigating a planet applying for membership into the Federation, the crew of the Enterprise finds a group of inhabitants who used to be soldiers, but now fight for their very existence.
The widow of respected scientist Dr. Nel Apgar accuses Riker of seducing her and killing her husband. Rather than turn Riker over for unfavorable trial, the Enterprise reconstructs the facts.
The Enterprise C enters the Enterprise D's time and space continuum, where they find Picard and crew in a constant state of war with the Klingons, and only Guinan knows it.
After returning from a cybernetics conference to the Enterprise, Data creates his own "child," much to the chagrin of his captain, and without regards to the ramifications with Starfleet.
After mediating a difficult trade agreement, Captain Picard is encouraged to take a much needed rest on a vacationing planet, where he's visited by a strange race from the future, in search of a dangerous weapon.
A shy member of the "Enterprise" crew becomes addicted to the holodeck, where relationships are easier than in real life, when his knowledge is needed in engineering.
When transporting a dangerous material to the Enterprise, Data is kidnapped and the crew is led to believe he is dead when the shuttlecraft he was piloting explodes en route.
Legendary Federation ambassador Sarek visits the Enterprise to conclude peace talks with a race called the Legarans. His arrival is accompanied with a rash of unusual emotional outbursts among the crew.
When Deanna's mother spurns advances made by a Ferengi Daimon, he takes it upon himself to kidnap the two of them, along with Commander Riker and steal them away aboard his ship.
Responding to a distress call on one of the Federation's outer-most colonies, the Enterprise arrives...only to find a big hole in the ground where the town used to be, and discovers the Borg are behind the attack.