When the majority of Jews in the world were mostly assimilated by the mid 20th century, many observant Jews worked to build their own enclaves where they could build traditional observant Jewish communities.

The Rebbe who led the Chabad movement, took a different approach. He encouraged his followers to build communities for unaffiliated Jews and slowly bring each of them back to their Jewish heritage.

The fascinating story of how the Rebbe refused to give up on a single Jew leading to him sending thousands of emissaries to reach each and every Jew.