When pharmaceutical prospector Nathan is found dead in the Amazon after uncovering a revolutionary new drug, his widow, Cassie, is stunned to receive an invitation to the lavish launch of Panacea Pharma's new Peruvian research institute. Accepting means confronting danger - but refusing could bury the truth about her husband's death forever.

There, surrounded by ruthless colleagues battling over the billions at stake, Cassie finds herself caught in a web of greed and ambition as impenetrable and deadly as the rainforest itself.

Undeterred, she begins to unearth the truth - until another member of the team dies and Cassie is forced to retreat to the safety of home. But peril and the laws of the jungle follow her: hunted by a killer with secrets to keep, Cassie realises the cost of discovering the truth about her husband's death might be her own life.

After spending sixteen years as an ecologist, crawling through undergrowth and studying the nocturnal habits of animals (and people), Dr Sarah Yarwood-Lovett naturally turned her mind to murder. She may have swapped badgers for bears when she emigrated from a quaint village in the South Downs to the wild mountains of the Pacific Northwest, but her books remain firmly rooted in the rolling downland she grew up in.