Fresh from his first solo case in Arizona, Drew McMillan is ordered to San Francisco by Allan Pinkerton. The case is urgent. Drew arrives to find his case is already dead in the water. But he's not a man to give up easily. His investigation reveals heartbreak, heroism, and shocking truths.With the help of a renegade cop and back up from fellow Pinkertons and a pair of gentle giants, the race is on to bring a monster to justice.