A blurb in a newscast on TV about a bioterrorist attack on a cruise ship sends Hobo into a state of panic. While he is spending time at camp, his parents are taking a cruise, and they are on board the affected ship. In a race with time, Hobo travels through the Internet to come to their rescue. Delayed by one misstep after another, and as more and more secrecy shrouds the bio attack, the rescue mission turns into a deadly confrontation with the terrorists.