A cure for obesity, worth billions.

A death in a clinical trial.

When patent lawyer Daniel Marchmont agrees to act for Calliope Biotech, he doesn't know what he's getting into. The first lawyer on the case is dead, and vital lab book is missing. Daniel and his wife Rachel are hoping biotechnology will also provide a cure for their daughter Chloe, who suffers from a devastating genetic disorder. Then the unimaginable happens, and they face a moral dilemma that threatens everything.

Meanwhile young researcher Katie Flanagan suspects something is very wrong in the lab. But knowledge is dangerous when someone is playing a perilous game...

"Deep Water is an intriguing and original thriller, with serious issues of medical ethics at its core. Christine Poulson describes her fenland setting with palpable authenticity in the pacy tale." - author of the Alice Quentin series