A Killer Lurks in Stockholm’s Shadows—And So Does an FBI Agent with Nothing Left to Lose

FBI Agent Avril Dahl thought she could leave her past behind. But when a prominent CEO is murdered in Stockholm, her fragile peace is shattered. Known for her relentless pursuit of justice, Avril is recruited to infiltrate an eco-activist group suspected of turning to violence—and agrees, hoping to find a new purpose in the shadows.

Drawn into the group’s world of radical activism, Avril is torn between her duty and a dark fascination with their cause. The line between ally and enemy blurs, and as the body count rises, so do the stakes. With loyalties shifting around her, Avril realizes that uncovering the truth might not just end her career—it could destroy everything she’s come to care about.

In Cold Legacy, readers journey into Scandinavia’s hidden underworld in a suspense-filled exploration of loyalty, deception, and the fine line between justice and revenge.

Perfect for fans of Stieg Larsson, Jo Nesbø, Karin Slaughter, and psychological thrillers, this gripping tale pushes one woman to confront her darkest instincts—or risk becoming the very thing she hunts.

Published
May 13, 2025
Where to find this book
External links open a book search at the selected retailer. Availability may vary.
Avril Dahl

The series

Full series details →

In the Avril Dahl series, the lines between justice and obsession blur in a chilling world where the past refuses to stay buried. This atmospheric thriller invites readers to follow FBI Special Agent Avril Dahl, a woman who carries the weight of a personal tragedy while tracking down dangerous criminals. Her relentless pursuit of justice often leads her down a dark and treacherous path—one where the answers she seeks threaten to destroy her.

Read full series description

Set in the icy landscapes of Sweden and Norway, the series weaves a tale of intense psychological drama, intricate investigations, and a fierce will to uncover the truth. The story begins in Cold Reckoning as Avril returns to her childhood home to settle her late father's estate, only to discover disturbing clues that suggest a notorious killer—the Frost Killer—has returned, taunting her with memories of her mother's death. The past isn't just haunting her—it’s come alive in the form of a murderer who seems to know Avril better than she knows herself.

As Avril digs deeper, the series builds a richly layered world of dark secrets, unspoken family histories, and the thin line between sanity and madness. Each twist and turn leaves readers questioning not only the killer’s motives but Avril's own resolve to stay on the right side of the law. With every step closer to the truth, she risks losing herself in the same darkness that has consumed so many before her.

What sets this series apart is its ability to draw you into the snow-covered, isolated settings of Scandinavia, where every shadow and every whisper could be a clue or a trap. The Avril Dahl series is not just about catching killers—it's about confronting the monsters that dwell within. Fans of psychological thrillers, Scandinavian noir, and characters with hauntingly deep arcs will find themselves lost in a world that is as gripping as it is unsettling.

If you're looking for a story that will keep you on the edge of your seat and make you question the nature of obsession, the Avril Dahl series is a journey you won't want to miss.

Risingshadow

Anticipation distribution

How anonymous reader anticipation is distributed across the 1–10 scale.

100
90
81
70
60
50
40
30
20
10
Risingshadow

Be the first reviewer

Sign in and write the first reader review.

Risingshadow

Readers Also Enjoyed