In "Penumbra", as the crew of DS9 lose hope for Worf, lost in battle in disputed space, Ezri Dax takes a shuttle and goes in search alone. Alone with her memories, she rediscovers amorous feelings for the Klingon, her ex-husband. Back on Deep Space Nine, Sisko and Kasidy Yates have momentous news. In "'Til Death Do Us Part" Worf and Dax are held captive and tortured by the powerful Breen and explore a rekindled attraction that threatens their tentative relationship. As preparations get underway for his wedding, Sisko is shaken when the Prophets warn him against the union, and the arrival of an unknown Bajoran farmer on the station heralds a new intrigue.