No cities, roads, or dating apps. You're surrounded by just a few dozen people—and almost all of them are your relatives.

How did our ancestors find partners in such a world? Archaeology and ancient DNA reveal a surprising picture: small groups maintained vast networks of acquaintances, traveling tens and hundreds of kilometers, gathering, and exchanging people between communities.

In this video, we'll explore what love looked like during the Ice Age and why the survival of an entire group depended on the choice of a partner.