American authorities are baffled at how the giant ship can just disappear without their knowledge. Dirk Jr. and his sister Summer are at the NUMA headquarters trying to figure out how it could have happened. They meet up with her father and Al Giordino, back from the Philippines. There is a brief, but happy reunion before they turn their attention back to the problem at hand. The possibility is suggested that the ship was reconfigured to trick onlookers. Without knowing how the virus is to be spread in America, the NUMA team and homeland security officials put together a plan to monitor Japanese and Korean ship traffic sailing close to American soil. With the help of the Coast Guard, the Navy, and NUMA, the West.....