Are You Afraid of the Dark?

In New York, Denver, Paris and Berlin, four people have died in what appear to be accidents.

When two women - widows of the dead - find themselves under merciless attack, their fear and confusion help them to form an unlikely alliance. But why are they being targeted? Is there a connection to their husbands' mysterious deaths?

Meanwhile, the Chief Executive of an international Think Tank is on the cusp of a discovery which could change the world - and deliver unbelievable power into the company's hands. Could the mysterious deaths be connected to this volatile secret?