In the final season, the mysteriousness of this TV series is off the charts. Events take place in a peculiar alternative reality where Flight 815 didn’t break. In the final episode, Jack meets his father, who explains that this place is the afterlife they created themselves to find each other and continue their journey after death. At the very end, the passengers gather in the church, the doors open, and bright light breaks through them. Jack’s father says, "Let’s go find out."