In the final episode, the very survival of the Bay is threatened by the postwar boom and the issue becomes how best to balance the competing demands of a major urban center set amidst an environmentally significant landscape.

In the final episode, the very survival of the Bay is threatened by the postwar boom. Viewers are introduced to the leaders of the Save The Bay campaign of the 1960s and the birth of the national mass environmental movement. As the Bay Area looks to the future, the issue becomes how best to balance the competing demands of a major urban center set amidst an environmentally significant landscape.