Susie falls asleep in a man's arms, and he insists she sleep safely in his bed while he takes the floor. The next morning, Benny mentions a strange dream, prompting the group to seal the cargo hold entrance for security. A comment on the man's phone reveals zombies rely on sound and scent, slowing at night, and only brain destruction is fatal. This spurs them to fortify their sea fortress, focusing on the vulnerable gangway. Benny welds it shut, while Susie and the man set spike traps. Suddenly, a loud crash under the hull shatters their sense of safety.