"A serial killer known as the Chemist has ravaged the city of Chicago, finally stopped by Lieutenant Sandra Beach. Now, only days later, she is approached by Dr. Derek Stillwater, Special Agent with Homeland Security.
There were three victims of the Chemist who were copycats.
Together, Stillwater and Beach, with the clock ticking, will hunt an international assassin called the Ronin, before he can murder his final victim."