Newlyweds Chris and Sally are young and attractive, with successful careers and a beautiful home. Their future is rosy. However, trying to make marriage work is not easy.

In The Vortex, Coward explores the darker side of the cocktail party set. Emotional blackmail, drug abuse and shattered relationships are minutely observed in this disturbing, early piece from a playwright whose sharp eye was usually more turned towards the light.

Investigating mysterious power failures and a death at an underground research centre, The Doctor discovers a colony of Silurians - prehistoric, intelligent reptiles who went into hibernation before man evolved. But now they have woken up, and they are prepared to wipe out mankind with a killer plague to get their planet back.

The very rich can buy eternal life: all that's needed is someone desperate enough to donate, for a high price, a young body into which their personality can be transferred.