"The beautiful Tessa Quayle is murdered near Lake Turkana in northern Kenya, and her putative African lover and travelling companion has vanished from the scence of the crime. Tessa'a husband, a career diplomat and amateur gardener at the British High Commission in Nairobi, sets out on a personal odyssey in pursuit of the killers and their motive. On his way he meets terror, violence and conspiracy, but his greatest discovery is the woman he barely...

A former agent for the British Secret Intelligence Service is called back to root out a Russian spy who has infiltrated the organization's highest levels.