Melonie Byars is found murdered in the flower shop where she worked. Unfortunately for authorities, there are no witnesses and no clues. The murderer did, though, leave a calling card: a carefully arranged bouquet of flowers. Seattles best homicide detective, Sgt. Arthur Washington, is called to duty.

Washington prides himself on his case closure rate, but this is one case he cant crack. He is completely baffled, and the murder of Ms. Byars remains unsolved. A year and a half later, another murder occurs in the same grizzly manner. Washington is back on the case, but even the top brass of the Seattle Police Department are stumped.

Detective Washington will not let this killer get away twice. Hes determined to put a stop to the mysterious flower murders. Bodies start to pile up with the same common link. Its not long before the city is in a panic. Paired with a new partner, Washington must catch a killer whos made Seattle his personal bloody playground.