"They took the knife and the eggs, and ran to the window by the gate" — almost every word a Viking gift. The deepest, most lasting legacy the Vikings left anywhere wasn't a battle or a kingdom — it was the Danelaw, the great region of England they settled permanently. We explore the astonishing living inheritance: hundreds of everyday English words that are actually Old Norse (including "they," "take," "sky," and "law"), thousands of Viking place-names still on the map (-by, -thorpe, -thwaite), Norse law and the free peasants, and the Scandinavian DNA of the English. The episode where the terrifying raiders of 793 become the ancestors — and where you discover the Vikings hiding in your own everyday speech.