Enterprise visits Earth for the launch of its sister vessel Columbia, where Trip prepares for her maiden voyage as her new chief engineer. Meanwhile, Klingons kidnap Phlox and force him to help them find a cure for a mutated virus that threatens their species.

As a gift for negotiating a deal with the Orion Syndicate, an Orion pirate persuades Archer to accept three alluring Orion slave women. But the captain's good-faith gesture has terrible results when the trio wreaks havoc within the ship, seducing all the men on board.