Alice Matheson Vol. 1: Day Z

Alice Matheson, a professional and brilliant nurse of St. Mary's Hospital in London, could be a surgeon – she has the capacities, nerves of steel and a high IQ – but she would run the risk of exposure. For Alice is an angel of death; a cold, calculating psychopath who kills her victims chosen from amongst the hospital patients in terminal phase.
However, things become complicated when one of her victims gets up despite the lethal dose she has just given them...