Ep 4. Long Days, Short Nights (2)

In Silent Witness season 1 episode 4, "Long Days, Short Nights (2)," the team at the Lyell Centre continues their investigation into the murders of four young women who were working as prostitutes in London. As they dig deeper into the case, they find that the girls were part of a larger cross-border sex trafficking network and that there may be more victims that have yet to be discovered.

The team focuses on the last known whereabouts of the victims, and a witness comes forward with potentially valuable information. However, tensions rise as the witness is reluctant to speak to the police due to fear of retaliation from the criminals involved in the trafficking network. The team must find a way to convince the witness to come forward before it's too late.

Meanwhile, Sam Ryan, the forensic pathologist on the case, is struggling with personal issues. She is still reeling from a past trauma and is having trouble sleeping, which is affecting her work on the case. Her colleagues try to support her, but Sam must come to terms with her demons if she is going to be able to do her job effectively.

As the investigation progresses, the team discovers that the trafficking network is more deeply entrenched than they initially thought, with powerful people behind it. They realize that they are putting themselves in danger by pursuing the case, and tensions rise as they try to outsmart the criminals and bring them to justice.

In the end, the team comes face-to-face with the mastermind behind the trafficking network, and they must make a risky decision in order to catch him and bring him to justice. The episode ends on a cliffhanger, leaving the audience on the edge of their seats and eager to see what happens next.