Natalie Pierce's suicide leads the detectives on a mission to discover the connection between her and 7 house fires in 9 years all resulting in the deaths of children.

The detectives continue to work on the case, will they find all the clues before another tragedy happens?

A family is slaughtered during dinner and their mansion ransacked. The sole survivor is the eldest son and heir - could he be a cold-hearted killer? For Simon, finding answers is complicated by the return of an old adversary.

A well-organized gang rob gold bullion from a warehouse and kill two security guards by sniper-fire. The case pits the homicide team with their hated armed robbery team.

How do you catch a killer if he is already in prison? And how hard should you try to find him when the victim appears just as evil? Homicide takes a personal toll on one of the squad.

A race against time is ignited when one of Homicide's own takes a hit on a routine call. Meanwhile, Waverley places Jennifer in a sticky ethical dilemma that could make or break her career.

The unit investigates a murder of a middle aged woman in a dark alley. While the investigations dig into her family history, Stanley is confronted with his own past.

The detectives are taken hostage in their own offices by a desperate father determined to re-open the investigation of a murder for which his son was convicted.

Jen becomes obsessed with the case of a man who killed his wife and daughter vowing to the wife's parents that she will find their bodies after he is acquitted of their murder.

The discovery of a partially mummified body by a couple of kids leads the the reopening of an old kidnapping case. The kidnapping case in turn has ties to a old case of Sgt Sparkes and he gets in touch with his old partner.