The Melbourne based crime-scene cleaning couple are called to a hotel to clean-up after the murder of a popular motivational author, stabbed apparently by one of the staff whose pleas of innocence result in the duo staying as guests.

It's a murderous level of muscle burn when a bodybuilder is found drugged and baked to death on a sunbed. There's a bulging mass of suspects: an overshadowed brother, a jealous rival, a devoted trainer and a long time grudge-holder.

They say life's a cabaret, but that's hardly the case when the leading lady in the musical theatre show Lost Soul is found murdered beneath the stage.

The Best Man is poisoned on the eve of a wedding on the glamorous Scaletta family estate. He was the CFO of their successful family business, and advocating for some big changes within it.

A homeless man is found crushed to death under a floating wall at a modern art gallery. When the death is declared a burglary gone wrong, a doubtful Nicola and Charlie investigate.

When Gary, the big cat keeper dies and Marie, the hippo keeper goes missing, it looks like the food chain has been reversed at Maabade Zoo. But it's not the animals out for blood, it's murder.

Nicola and Charlie find a bloody mess at a restaurant where the celebrity chef has gone missing and is presumed dead. They learn the chef was a cruel dictator in the kitchen, and several employees may have wanted him dead.