The episode begins with a warehouse on fire. The crew manages to get the raging fire under control. Finally, when the fire is out, they find a body and call for the arson unit. Just then they find a classified file next to the body and the Navy is called. Ziva and McGee arrive at the scene. The warehouse is owned by United Equinox electronics and they make modems to toasters. They also worked on top secret weapons. Just then Gibbs walks in and hands over the classified file to Tony and tells them that they are here for the file. They enter the warehouse. Just then Jason King from Baltimore PD arson unit recognizes Tony. He says that he was in homicide for two years before he made it to arson. ..