O’Brien sees himself die and deals with it. Bashir worries about turning 30 and how eventually one day he’ll die and it almost kills him. We also discuss the wisdom of provoking the Dominion and the shortcomings of Jungian analysis.
Romulans are on the station to discuss the Dominion threat and O’Brien is time traveling to solve problems before they even happen. In the end, O’Brien is replaced with a slightly older version of himself.
Bashir makes an enemy of Lethean who is trying to obtain a controlled substance. The Lethean gets inside his head and tortures him (and the audience) with Jungian archetypes. Bashir survives and experiences some personal growth