The death of a man in custody seems like a straightforward case, but DS Farmer has concerns about some of her officers.

Someone is harassing Sam as evidence of a cover-up mounts, and the bomb squad is called in to deal with a mysterious parcel.

The murder investigation continues and someone breaks into Sam's house. Undeterred, she continues her search for the truth.

Tragedy strikes after a student asks Sam for advice over her arranged marriage, and then sees her family torn apart.

Sam tries to persuade her student to reveal where her father is hiding. The tragedy spreads beyond the family, and even the team may be in danger.

Dr Sam Ryan investigates her first case as a police consultant - a tragic case involving the death of a child.

When Mark James's decomposing body is discovered, it bears all the signs of a ritualistic killing.

The police grow frustrated with the lack of a forensic link, but Sam finds more clues in an old case.