When they were children in the suburbs of Los Angeles in the 1950s, Diane Keaton and her younger brother, Randy, were best friends and companions. Their mother captured their American-dream childhoods in her diaries, and on camera. But as they grew up, Randy became troubled, then reclusive. By the time he reached adulthood, he was divorced, an alcoholic, a man who couldn't hold on to full-time work --- his life a world away from his sister's, and from the rest of their family. Now Diane is delving into the nuances of their shared, and separate, pasts to confront the difficult question of why and how Randy ended up living his life on "the other side of normal."

In THEN AGAIN, you will meet the woman known to tens of millions as Annie Hall, but you will also meet --- and fall in love with --- her mother, Dorothy Hall. Keaton has sorted through all the pages of her mother’s 85 journals to paint an unflinching portrait of her entire family, recounting a story that spans four generations and nearly a hundred years.