Zero Days, Ruth Ware

Jack Cross gets paid to break intohigh tech buildings. She and her hacktivist husband Gabe pinpoint securitybreaches for companies large and small. It's a point of pride that she rarelygets arrested, when she goes Gabe will bail her out, but Gabe is dead; murderedwhilst Jack was out on a job.

In a fog of grief Jack realizesthat she is being set up and narrowly evades arrest.

With nothing left to lose she’sdetermined to punish Gabe’s killer if it’s the last thing she ever does.

Prepare to let your coffee go cold as you readthis in one sitting.