A sleazy playboy's private plane crashes in Brooklyn without a pilot, but with six kilos of cocaine on board. The playboy's body washes up on the beach a few days later. Why did he jump out of his aircraft with a faulty parachute? It screams murder to Detective Erin O'Reilly.

Meanwhile, the New York underworld is in turmoil after the death of a Mafia chieftain. The narcotics trade is up for grabs and everybody wants a piece of the action. To protect her undercover reputation, Erin will have to play every side against the others. Irish mobsters, Sicilians, Colombian cartel thugs, and a DEA agent with nothing to lose set the stage for a violent showdown.

Erin, her K-9 Rolf, and the rest of her squad crash headlong into the volatile mix of cops and criminals, with explosive consequences. Erin is trying to chart a safe course to victory, but when the bad guys don't care if they die, she may have to choose between winning and survival.