Detective Lindsay Boxer finally gets married. But a missing newborn and a series of violent attacks push the Women's Murder Club back to full throttle before the wedding gifts are even unwrapped. Detective Lindsay Boxer's long-awaited wedding celebration becomes a distant memory when she is called to investigate a horrendous crime: a badly injured teenage girl is left for dead, and her newborn baby is nowhere to be found. Lindsay discovers that not only is there no trace of the criminals - but that the victim may be keeping secrets. At the same time, Assistant District Attorney Yuki Castellano is prosecuting the biggest case of her life - a woman who has been accused of murdering her husband in front of her two young children. Yuki's career rests on a guilty verdict, so when Lindsay finds evidence that could save the defendant, she is forced to choose. Should she trust her best friend or follow her instinct?