With Clarkson in a Volkswagen Up, Hammond in a Ford Fiesta and May in a Dacia Sandero, the trio embark on a long road trip to the Ukraine. When the hosts arrive in Kiev, they receive a truly fearsome challenge: to complete their journey by driving through Chernobyl. Also, Jeremy Clarkson is testing the Zenvo ST, a Danish supercar with 1086 horsepower. Star in a Reasonably Priced Car welcomes back singer James Blunt, who attempts to beat his own lap time out on the track.