The Eternals are a team of ancient aliens who have been living on Earth in secret for thousands of years. When an unexpected tragedy forces them out of the shadows, they are forced to reunite against mankind’s most ancient enemy, the Deviants.

Follows the lives and families of three adults living and growing up in the United States of America in present and past times. As their paths cross and their life stories intertwine in curious ways, we find that several of them share the same birthday - and so much more than anyone would expect.