All Our Yesterdays opens amid the violence and tumult of 1920s Ireland with Conn Sheridan, a reckless young IRA captain. Conn’s forbidden affair with Hadley Winslow, a Boston tycoon’s wife, initiates a dangerous entanglement of desire and blackmail between two families that will span three generations. When a shattering betrayal forces Conn to flee Ireland, he begins a new life in America a...