Guilt

When a young woman is brutally murdered in her London flat, the search for her killer leads to scandal and intrigue stretching all the way from underground sex clubs to the highest levels of the Royal Family.

As the investigation into Molly Ryan's murder heats up, all eyes are watching what Grace does next. With strict instructions from Stan to not leave the flat, Grace is determined to attend Molly's memorial service regardless.

Now that Molly's murder has become a world-wide story, Grace becomes the target of social media bullying. While Grace is reeling from the social slander, Stan is forced to turn his attention to fixing her step-father James' situation - a mess that may hit too close to the Molly Ryan case.

Natalie discovers that crown prosecutor Gwendolyn may not be as unbiased in her investigation of Grace as she would have others believe. Detective Sergeant Bruno is feeling trapped when a past indiscretion threatens to be exposed and he must decide if he will let it affect the Molly Ryan murder ca..

A weary Grace spends the night at the police station, only to be accosted by paparazzi when she tries to leave. As the situation turns ugly, a stranger comes to her rescue. After agreeing to go off with the Good Samaritan, she begins to suspect that he has darker intentions.

While Luc is on lockdown at the police station, Gwen tries to finally get the piece of information she has been desperately looking for to link Grace to Molly's murder. But, with Luc sticking to his story that he and Grace were on the roof together all night and Stan working every angle to get Luc..

After her arrest, Grace must confront a dangerous new world behind bars. For the first time Natalie struggles with doubts about her sister's innocence and ends up turning to an unlikely source for information about the night Molly was killed.

As Stan works on Grace's defense, Graces struggles to remember a chunk of missing time on the night of Molly's murder. Stan wants to bring in a forensic psychiatrist who specializes in Memory Recovery Therapy to help discover what Grace might have blacked out from that night.

Stan and Gwen face-off in the courtroom as the Grace case finally begins. Natalie and Bruno try to find new evidence to prove Grace's innocence before it's too late, and Grace pursues another way of gaining her freedom.

The crown prosecutor is convinced that Grace Atwood killed her flatmate Molly Ryan and now it's in the hands of the jury. As the jury deliberates Grace's fate, Detectives Bruno and Pike rush to uncover who is behind the Hertfordshire murder and if the two cases are related.