Gowron orders a Klingon invasion of the Cardassian Union. When the Federation condemns the invasion, and Sisko protects the members of the Detapa Council, Gowron withdraws from the Khitomer Accords and attacks the station. Although the attack is unsuccessful, the Klingons refuse to give up the Cardassian colonies already seized. Consequently, Captain Benjamin Sisko asks Worf to join the crew of Deep Space 9. Julian Bashir attempts to find a way to remove the Jem'Hadar's addiction to ketracel white. He clashes with his friend, Miles O'Brien, by doing so, and is eventually unsuccessful. Kira Nerys and Dukat embark on a personal journey to find the Cardassian transport ship Ravinok that disappeared six years previously. Kira is searching for a friend; Dukat is searching for his daughter, Tora