A young woman is brutally battered and explains to Hannah that she was attacked by a man she met in a bar, but doesn't want to file a complaint. And Hannah seeks new leads in her mother's rape case.

When a medical student reports that she was drugged and raped after a party, Bob has doubts but Hannah throws herself into the case. The public prosecutor won't release the file on Hannah's mother.

A top lawyer receives an explicit DVD featuring his 20-year-old daughter entertaining men in her home and, frightened that his law firm's reputation will be damaged, seeks help from the Vice Squad.

A father is startled to see pictures of his 16-year-old son with an unknown young woman on a website featuring amateur pornography. Hannah discovers that both of the boy's parents are hiding secrets.

When a woman with learning disabilities collapses while working at her parents' bakery, it is discovered she has suffered burns during a sexual assault. Hannah asks her own father about her brother.

A young man is beaten up in Citadel Park at night. He is believed to be the victim of thugs who have been terrorising gay men in the area for months, but the team have no clue about his identity.

When a porn star reveals that she has tested HIV positive, it's a race against time for Hannah and the team to discover who is spreading the virus among performers in the local adult film industry.

When DVDs containing child pornography are found among some rubbish in a derelict house, the detectives recognise a young singing star in one of them and her manager soon falls under suspicion.

When a respectable married man is found mutilated on the banks of a canal, it emerges that he was leading a double life, and Hannah's team are confronted with some strange relationships and intrigues.

When a woman reluctantly reports a rape 16 days after the event, she can't describe the perpetrator. Hannah suspects that she may be lying, but then another woman is attacked in the same location.

The red-light district is in turmoil when a prostitute is attacked with a knife and injured. She soon blames an aggressive pimp who had demanded 40 per cent of her earnings just the week before.

A new and even more serious incident means the team must re-evaluate all lines of inquiry in the case of the attacks on prostitutes. Hannah's private investigation takes her to Campo Santo cemetery.