Daniels and Archer must find a way back to the 22nd Century in order to make sure history plays out as it should. Meanwhile, on board Enterprise, the Suliban have taken over the ship, but Reed, Trip, and T'Pol formulate a plan to eject the aliens.
The CSIs investigate when the body of an unidentified young woman is discovered stuffed in an overturned shopping cart near a freeway underpass.
UCOS take to the streets of Southall to try and track down the attacker of a young Asian woman, left lying in a coma after a vicious beating. Young Asian officer Pushkar Guha is drafted in to help out, and forms an unlikely alliance with Gerry Standing.
Jeremy, Richard and James enter a 24-hour endurance race in what turns out to be one of their toughest challenges to date. James tries the new Fiat 500 on the mean streets of Budapest, and in a somewhat unfair challenge the Daihatsu Materia takes on the Ascari A10.