Let He Who is Without Sin Episode Dax and Worf may be about to end their relationship. Hoping to salvage the romance, Dax talks Worf into a vacation on Risa, the Pleasure Planet. The Klingon, disillussioned by Jadzia's eager acceptance of the Risian's hedonistic lifestyle, decides to aid the anti-Risian New Essentialist Movement. But Worf does not know that Pascal Fullerton, the movement's founder, will soon endanger the lives of everyone on Risa. Things Past Episode: Odo has just been honored by the Bajorans for his commitment to justice during the Cardassian occupation. But for years, the shapeshifter has borne a terrible burden regarding something that happened while he was the security chief of Terek Nor. Now his secret is revealed to Sisko, Dax and Garak as the four are transported into the past, when Dukat commanded the station--and where, condemned to death, they await execution.