A copy cat killer starts to terrorize Boston, Woody and Jordan are left to break the case. When they have to turn to the original killer for answers, Jordan is less than comfortable when the killer starts to get personal.

A bomb has detonated on a Boston train, leaving many victims dead or injured. A lot of the victims are school aged children which triggers bad memories. What is worse there is another bomb…somewhere.

When Jordan wakes up to find J.D. dead beside her, she has no memory of the events from the previous night. Accused or murder Jordan will turn to her friends to help piece everything together.

Following J.D.’s murder Jordan has traveled to the nation’s capital to prove her innocence. She is tracking the news story that J.D. was working on in an effort to find out what happened the night he was murdered. Lu decides to bring in an independent medical examiner, to prove her case against Jordan. Dr. Macy travels to D.C. to find Jordan while the rest of the team work to prove her innocence.

An internet psycho reeks havoc in Boston as he goes on a bloody rampage leaving bodies in his wake. Woody and Nigel pair up to put a stop to this serial killer, who's leaving cryptic message on Nigel’s Blog. Elsewhere Jordan is auditing past autopsies, and discovers that Bug might have put an innocent man behind bars.

Jordan’s recovery has gone well and she is ready to return to work, Dr. Macy agrees to allow her return if she does not over do it. Bug is struggling with his experience with Homeland Security and refuses to talk about it. The murder of a groom on his wedding day has Nigel, Woody and Dr. Switzer occupied.