Helped by Legate Damar escape from the Dominion, Ezri and Worf have returned to Deep Space Nine. Unfortunately, they have little to report to Sisko about the new Dominion-Breen alliance. The only thing that is made clear is the message that Captain Sisko receives moments later: The Breen have attacked Earth.

When the Doctor tries to teach Seven of Nine how to date, as part of his attempt to humanize her, he gets caught up in his task, and soon one of the crew learns that the Doctor has become smitten with Seven.

A young man comes to the sisters for help and sanctuary, in hopes that he can somehow avoid his foretold destiny of evil by becoming a priest. It seems that he and his two brothers are slated to become the evil warlock counterpoint to the Charmed Ones.

With Joey's father back in town, Bessie and him decide to expand the Ice House to also cater weddings. Needing help they enlist Andie, who says she hate's weddings but doesn't and Pacey who loves them. Joey who doesn't think her father recently out of jail should be seen in Capeside and Dawson, who is angry when his parents arrive separately. Jack and Dawson battle to help a scared bride, while Andie and Pacey scramble to fix the cake. Making Gail sad, Mitch shows up to the wedding with Mrs. Kennedy. Jen and Abby's sneaking into the wedding leads to tragedy.

Kelly and Matt babysit Erin, and have sex in the living room after she goes to sleep. They do not realize that Mel and Jackie have set up a video camera to observe prospective nannies with Erin. Erin switches the tape with a copy of "There's Something About Mary", and the illicit video ends up in Dylan and Gina's hands. Dylan becomes furious, prompting Gina to suspect that he still has feelings for Kelly. She believes that Dylan is trying to overcompensate by arranging a private concert by Monica, and tricks him into admitting that he slept with Kelly in Mexico. Matt breaks up with Kelly, who reminds him that he was married at the time. He forgives her after she insists that she never revealed the truth because she did not want to add to his woes. Donna asks Wayne, a good-looking pro beach volleyball player, to model her new line of men's wear. Matt files a lawsuit on behalf of cancer victims against a number of companies that polluted the environment - including Hunter Oil. Noah refuse

Tonight, singer from the Black Crowes, Chris Robinson.

A couple in Newhaven face a race against time as they build their dream home on windswept cliff-top site in time for the birth of their baby.