During a New Year holiday at Baywater Port, Morris and his coworkers, including his crush Susie, plan to stay late for overtime despite a warning call about serious water contamination causing rabid behavior in the city. Initially skeptical as the dock seems calm, they begin inventory checks aboard the incoming cargo ship Oceanic. Suddenly, a scream breaks the silence, and they witness a dockworker viciously attacking and biting another, triggering panic among others. As fear grips the crew, Morris and Susie realize the deadly contamination has reached their port, forcing them to confront the immediate threat with no clear escape.