The Doctor takes Romana for a holiday in Paris a city which, like a fine wine, has a bouquet all its own. Especially if you visit during one of the vintage years. But the TARDIS takes them to 1979, a table-wine year, a year whose vintage is soured by cracks not in their wine glasses but in the very fabric of time itself. Soon the Time Lords are embroiled in an audacious alien scheme which enc...