Very soon, the top four Western leaders—American, British, French and German—will be on their way to meet their Soviet counterpart in Vienna for a crucial summit. Tweed and Martel believe one of them is the target for assassination. They must urgently work out which one—or a nightmare will come true....

In 1939, a secret airship departed Nazi Germany in the dark of night filled with some of the most influential people of its time. Its cargo: a complement of rich Jewish families carrying their most valuable possessions. One such item among them was as dangerous as it was priceless. The airship never reached its destination. In 2015, Sam Reilly, a marine biologist and wealthy son of shipping mogul James Reilly, discovers a missing clue about the lost airship, and what follows is a violent treasure hunt.

What will they risk for answers? Picturesque Daylesford has a darker side. Melbourne writer Georgie Harvey heads to the mineral springs region in central Victoria to look for a missing farmer, and soon links the woman’s disappearance with the unsolved mystery surrounding her husband. Meanwhile, maverick police officer and solo dad John Franklin is working a case that’s a step up from Daylesford’s usual soft crime: A stalker targeting single mothers.

Acacia Pines, USA. Sheriff Cohen's life is falling apart – his father accidentally burned down the retirement home, his wife has moved out, and his son is bullying other kids at school. When high-school student Lucas Connor is abducted, Cohen sees a chance to get his life back on track – to win back his wife and scoop the reward money offered for Lucas's safe return. But as the body count rises, it becomes clear that Cohen's going to have to make the kind of decision from which there's no coming back...a decision with deadly consequences.

Identified as a person of interest in three cold case murders she didn't commit, retired assassin Leine Basso accepts a temporary position as a security specialist for A-list actor Miles Fournier. Leine finds she has her hands full trying to protect the head-strong celebrity, while at the same time fighting her desire for Detective Santiago Jensen; a game she knows she can't win.