The Best Episodes Written By Richard O'regan

1969-1974: Everything's possible. The women's movement takes root, Billie Jean King beats Bobby Riggs in tennis, and Mary Tyler Moore inspires single women. Shy, single mom Elizabeth Kendall strikes out on her own in Seattle, where she meets Ted, an aspiring lawyer. But darkness looms on the horizon. Female university students are disappearing, and Elizabeth's new boyfriend has a strange meltdown.

On 30 June 1956, United Airlines Flight 718 collides with Trans World Airlines Flight 2 over the Grand Canyon in Arizona. All 128 occupants on both flights are killed. At the time, it was the deadliest airline crash in history, and would lead to sweeping changes in the regulation of flight operations over the US.

1974: Ted gets accepted into law school in Utah, but he refuses to ask Elizabeth to move down with him. Their relationship begins to fray and she blames herself. Meanwhile, female students continue to disappear throughout Washington state and a composite sketch of the suspect convinces campus cop Cheryl Martin that the disappearances may be linked.