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

大卫布拉德福警官领导著一个精英谋杀调查小组，但他无法破解的案件是他最亲近的案件──他妻子的失踪。