On the day of James Kirk's birth, his father dies on his ship in a last stand against a mysterious alien vessel. He was searching for Ambassador Spock, who is a child on Vulcan, disdained by his neighbors for his half-human nature. Twenty years later, Kirk has grown into a young troublemaker. He is inspired by Capt. Christopher Pike to fulfill his potential in Starfleet, even though he annoys his instructors. Suddenly, there is an emergency on Vulcan...

Forty-eight people survive a plane crash and must learn to work together to live on a strange island.

When destiny calls, the Oceanic 6 frantically race back to the island. As a result of Ben moving the island, the survivors left on the island begin skipping through time. The survivors discover that they've run into The Others 50 years in the past, but Richard Alpert is the same age. In Los Angeles, Kate tries to find out who is trying to take Aaron away from her. In order to avoid being killed, Ben promises to offer proof to Sun that Jin is still...