Deep in the East End of London, emergency healthcare faces its sharpest challenges. As Cherry Blossom, a brand new designer drug, begins to claim the lives of unexpected victims, airline pilot Adam Dorivan must compromise his integrity in a highly illegal and dangerous courier flight to save his closest friend, Elise Staar, from a murderer who knows their every move.
The mysterious creator of Cherry Blossom is hiding in plain sight when his paranoia exposes him in a deadly climax on a London hospital helipad.