Alex shoots again. She has to kill a man, but shoots the wrong one. A high ransom is set on her, so she is visited by some head hunters. Well, she only could sit and wait and hope for a friend's help.

In a not-too-distant future, a lethal virus sweeps across Europe, prompting the creation of quarantine refugee camps in the United States. Police officers Delon and Lemieux learn of a grisly murder in the Boston camp and team up to investigate. Suspecting the ruthless killer is infected with the virus, the pair have just hours to stop him before he becomes contagious and infects the entire population.