Premiership footballer Isaac Dreyfus finds his career in tatters after a sex tape links him to the brutal murder of a young woman, threatening to destroy both his reputation and marriage. He is desperate to prove his innocence, while Adam Freedman turns to a mysterious source for help to avenge the murder of his wife and child. Nikki finds it hard to deal with Leo’s death following the arrival of the new Lyell Centre boss, pathologist Thomas Chamberlain.

A collection of dismembered body parts, covered in intricate Japanese tattoos, have been found in a Brighton waste dump. The team are called in to painstakingly piece them together and they search for clues to lead them to the killer. Outside of the lab, Nikki has some news she desperately wants to share with Matt.

The team struggle to find the final piece of the puzzle left behind by the murders in Brighton. At home, Nikki and Matt discuss their future together.