It's 1975. Helen O' Dowd & Sarah Flannery encounter one another briefly under traumatic circumstances. Three years later their lives collide unexpectedly again & for the next thirty years they remain in contact without ever laying eyes on one another again or realising that they once met. As time goes by they share their triumphs & disasters their hopes & their fears. This is a story that begins on a bridge on an autumn afternoon. It's a story of marriage children love & true friendship.