Zero Days book cover

Zero Days by Ruth Ware Summary

Zero Days
Ruth Ware
Thriller
Mystery
Technology
Fiction
Overview
Key Takeaways
Author
FAQs

Overview of Zero Days

When your husband is murdered, you have zero days to prove your innocence. Ruth Ware's NYT bestseller races against time in this "unputdownable" thriller that David Baldacci calls "pulse-pounding" - a high-stakes escape that's part Mr. Smith, part Fugitive.

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Key takeaways

1

When Digital Footprints Become Murder Weapons

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The perfect couple, Jack and Gabe Cross, are more than just husband and wife-they're professional partners in the morally ambiguous world of cybersecurity. Jack specializes in physical penetration testing (breaking into buildings to expose vulnerabilities), while Gabe hunts for bugs in software code. Their complementary skills make them unstoppable-until they're stopped in the most permanent way possible. After a routine job goes sideways, Jack spends a night in police custody for trespassing. Upon release, she returns home to find Gabe brutally murdered-throat cut, blood pooled around his body, noise-canceling headphones still in place. He never heard his killer coming. In an instant, Jack's world implodes. The husband she adores, her professional partner, her best friend-gone in what appears to be a calculated hit. But grief quickly gives way to suspicion as Detective Sergeant Habiba Malik begins questioning Jack with increasing intensity. Timeline discrepancies, lack of alibi, and the uncomfortable truth that spouses are always the first suspects transform Jack from grieving widow to prime suspect. When police caution her during a second interview-suggesting arrest is imminent-Jack makes a fateful decision that will change everything.

2

On the Run: A Digital Expert Forced Analog

3

Digital Breadcrumbs Leading to Betrayal

4

When Ethics Become Deadly in Tech

5

Trust as the Ultimate Vulnerability

6

The Human Element in a Digital World

7

Finding Life After Digital Death

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"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum
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"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC
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"Feels effortless compared to reading. I’ve finished 6 books this month already."

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@Raaaaaachelw
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"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum
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12
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108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC
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254
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17

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore
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"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful
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"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

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