Weaponized tells the story of a homicide detective named Walker. After years of working as a detective, in fact, Walker's career was not so brilliant. Until one day, Walker was assigned to investigate a murder case that happened to a man who is suspected to have been killed by a group of terrorists.
But amid the investigation, Walker met with the father of the victim who suffered sorrow supremely. He had never seen anyone so sad over the loss of her son. Until then Walker realizes that the man is planning to release a virus robot to avenge him.