Natalie throws a Fourth of July party and invites David as her date. Margaux ramps up her plan to remove anyone who stands in her way.
When packages with gruesome contents are sent to six people in the Washington DC area, the BAU must find what connects them.
A case involving the abduction of several women becomes personal for the red cell team when one of the victims, `Jane Doe' is never reported as missing.
Loners and men who won't be missed are being targeted by a killer, while Jane finds that keeping her pregnancy quiet will not be easy.
Duke is forced to steal crucial evidence from the police locker in exchange for his kidnapped granddaughter but Five-0 help him. Jerry goes undercover at a mental health facility to solve a murder.