The eight-episode first season was released on Netflix on March 21, 2024. The series centres on a diverse group of characters, mainly scientists, who encounter an extraterrestrial civilization, triggering numerous threats and profound changes for humanity. It received positive reviews, with praise towards its cast, ambition, and production values.
Ye Wenjie is sent to a secret military base racing against other countries to make first contact with aliens during the Cold War. While there, she makes a choice that impacts humanity's future. In present-day London, a series of mysterious suicides and science-averse phenomena lead a government investigator and a group of friends called the "Oxford Five" into a mystery of extraterrestrial origin.