En route to exploring the Arachnid Nebula, the crew of Enterprise NX-01 is hailed by a civilian Vulcan ship. The ship's captain, Tavin, reveals that his vessel is in need of repairs. Archer offers to help, provided the Vulcans don't mind tagging along for the exploration of the nebula. While the Vulcan engineer, Kov, and Commander Tucker work together to repair the ship, Archer and T'Pol host Tavin and one of his crew, Tolaris, for dinner. Over the course of the meal, Archer and T'Pol are shocked at the emotionally pleasant and open nature of their guests. Tavin explains that he and his crew are referred to as "V'tosh ka'tur" ("Vulcans without logic") by the Vulcan elders. He clarifies that they are on a pilgrimage to explore and incorporate their emotions, to find a balance between emotion and logic.

When Cheryl reminds Jim that she beat him at racquetball years ago, he claims he was only letting her win to gain her affections, so Cheryl challenges him to a no-holds-barred re-match.

On the eve of the New Hampshire primary, Bartlet becomes involved in a game of military chess against China after the Chinese threaten to attack Taiwan. Meanwhile, Josh stresses over 42 votes in the small New Hampshire town of Hartsfield's Landing's election that typically predict the winner of the state's primary; and C.J. plays games with Charlie when she hides his copy of the President's daily schedule, leading to a inter-office war of tricks and mind games.

The murder of a psychologist leads to a case involving a computer company that sells information and their responsibility in shielding their clients' history in order to serve their needs.