Max is serving as a courier on board an airplane when he is forced to release his package from the plane, sending it to land on the roof of Hester Van Hooten's mansion. The only problem is Van Hooten hasn't allowed visitors to her house in 20 years and she and her brother aren't about to start now.

Max is assigned to protect KAOS Agent Dietrich. Dietrich has turned informant, and will give testimony on the inner workings of KAOS that would put an end to KAOS. The only obstacle is a man name Kibbee, a ruthless KAOS assassin who has never failed an assignment. Will Max be able to protect Dietrich, and himself, from Kibbee also known as the Exterminator?