Lynn and Lucy are life-long B.st friends, their relationship as intense as any romance. Neither has ventured far from where they grew up. Lynn, who married her first B.yfriend and whose daughter is fast growing up, is delighted when the charismatic, volatile Lucy has her first B.B. B.y. Lucy, however does not react to B.ing a mother as Lynn expects. Soon, they find their friendship is tested in extreme circumstances.