Shadow Tier 4 - Hades's DeceptionBioweapon samples are for sale on the darknet. The British Defense Science and Technology Laboratory identifies the pathogens source, Russian.Wolf escapes an bioweapon attack in Tampa that kills three. The president sees parallels with drug production and orders Wolf and Shadow Tier to stop the threat.Wolf senses the moves of a long thought dead bioweapons genius, Alexander Borodin who he targeted in a covert mission to destroy him and his lab. Parker and the intel team find his former teammates from that mission are all died.Code name Hades, Borodin has a cadre of his children scientist scattered through the Middle East and Pacific at work developing the building blocks for a chimera bioweapon. Wolf and his Shadow Tier teams race to take out the labs and track down Borodin working their way through layers of diversions and deceptions.

Wolf and team ends up in a lab in the Philippines where they capture the head scientist and get her help by saving her parents.She is in contact with Borodin and tells him she has the wine shipment which carries the science he needs to complete his super bioweapon. Wolf finds Hades where he least expects, California. Borodin makes a mistake and Wolf assaults his lab hidden in an old Titan missile complex, but Borodin slips away. His bioweapon plan is dead, so he turns to making Sarin gas, and accelerates his timeline.Wolf races to determine the most likely, and with the help of the FBI and San Francisco police sets up security at the Moscone Center. There's a networking conference with 15,000 plus attendees.Borodin sets in motion a series of attacks on the Bay Area Transit System and other locations around San Francisco which draw away the police long enough that he can slip into the convention center.

Wolf must disrupt Borodin's plan before he can release the gas and kill thousands.