Part 3/8:
The island's struggle for survival is compounded by the limited availability of critical supplies for vaccine development to combat the rampant virus. Mark, a biologist assigned to create a vaccine alongside his son, faces significant ethical dilemmas in his work, especially as he oversees the testing of a captive infected outsider. As interpersonal tensions rise, the social fabric of Helgoland begins to fray, as residents seek positions within the ranking system to ensure their safety.