When a guest at a bush camp in Zambia dies of what appear to be a snake bite, Marieke Englebrecht has her suspicions and has her own theory as to the cause of death. She is asked by the Zambia Police, who she has worked with before, to assist in investigating the death and how a toxin may have been administered and then by whom. She has a slate of seven suspects, all of whom are well educated and probably quite capable of researching local toxins and methods that could be used to administer one. The suspects, all of whom are guests at the camp, are all due to leave in only two days, so it is a race against time to find something to hold them.