Lena and Martin were once madly in love. But, like many marriages, time and circumstance eventually took their toll, and they decide that everyone's lives would be better if they got a divorce. Facing a daunting real estate market, the couple decide not to sell their house and to "Bird Nest" instead. The 'on-duty' parent will live in the house while the 'off-duty' parent will live in the detached garage. As Lena begins to dip her toes into the dating waters, Martin begins to see his own culpability in his marriage falling apart.

　　影片以见证人、叙述者查理斯·赖德的视角讲述了二战爆发前的英国，伦敦近郊布赖兹赫德庄园的兴盛与沉沦，描写了这个天主教家庭的生活与命运。牛津大学，查理斯结交了贵族出身身份显赫的纨绔子弟圣巴斯蒂安·弗雷特。圣巴斯蒂安严苛的母亲马奇曼侯爵夫人掌管着布赖兹赫德庄园，庄园上下都是虔诚的天主教徒。然而父亲抛弃妻子与情妇久居威尼斯的丑闻，给子女从小就留下了耻辱的印记，扭曲了他们的天性。日日饮酒作乐纸醉金迷的圣巴斯蒂安，邀请查理斯到庄园参加他的家族晚宴。查理斯对圣巴斯蒂安的妹妹朱莉娅一见倾心。三人间扑朔迷离、暧昧不清的感情纠葛从此展开，跨越数十载，那些爱与生活，痛苦与信仰，都经不住物是人非。

Think you know the person you married? Think again. These gripping true stories explore the wickedness behind the wedding and show the devastating consequences of what happens when people are betrayed by those who should love them the most.

When marriages fall apart, divorce can turn ugly - even deadly. From blushing brides turned cold-blooded killers to smitten grooms with shocking dark sides, the criminal psychology behind deadly divorces is examined. Guiding viewers through actual stories of love gone wrong are psychotherapist Stacy Kaiser and forensic psychologist Dr. Brian Russell, who analyze each couple to better understand how the marriage turned from flawed to fatal. .