In Shoot the Breeze, the first book of the series, a young woman turns up dead along the Mississippi River, and rising-star Detective Kate Rosetti quickly realizes it’s the work of a notorious cross-country serial killer. In the next book, Riddle Me This, Kate gets the news that infamous serial killer Ramone Wilkes has escaped from prison, and she knows that he's on his way to her.

Tess Strebel can’t recognize her own face. She can’t recognize her home. Her bedroom is unfamiliar. And she can’t remember the handsome stranger lying next to her in bed. A stranger who claims he’s her husband. Tess reads a letter in her own handwriting, composed during a rare lucid day, explaining her life as it now exists: she was in a terrible car accident one year ago. Every morning, she wakes up unable to remember most of the last decade. Including her own wedding.

When Toru Narazaki's girlfriend, Ryoko, disappears, he tries to track her down, despite the warnings of a private detective he's hired to find her. Ryoko's past is shrouded in mystery, but the one concrete clue leads him to a compound in the heart of Tokyo, with a group that seems to be a cult led by a charismatic guru. Narazaki plunges into the secretive world of the cult, ready to expose himself to any of the guru's brainwashing tactics if it means he can learn the truth about Ryoko. But the cult isn't what he expected, and he has no idea of the bubbling violence beneath its surface.

Medical student Amy Brenner is spending the night on a locked psychiatric ward. Amy has been dreading her evening working on Ward D, the hospital’s inpatient mental health unit. There are very specific reasons why she never wanted to do this required overnight rotation. Reasons nobody can ever find out. And as the hours tick by, Amy grows increasingly convinced something terrible is happening within these tightly secured walls.

Yuki Hirano is just out of high school when his parents enroll him, against his will, in a forestry training program in the remote mountain village of Kamusari. No phone, no internet, no shopping. Just a small, inviting community where the most common expression is “take it easy.” At first, Yuki is exhausted, fumbles with the tools, asks silly questions, and feels like an outcast. Kamusari is the last place a city boy from Yokohama wants to spend a year of his life. But as resistant as he might be, the scent of the cedars and the staggering beauty of the region have a pull.