Detective Jo Shaw has it all worked out. She’s good at her job, she has loads of mates, and she likes being single. She doesn’t need complications, but an emergency call to the stabbing of a young woman brings plenty of those. Jo has to risk her career to save the woman’s life, and a bad night gets worse when the trauma surgeon turns out to be Isla Munro, Jo’s only real love, who walked out on her 15 years ago and never came back.

A car lies crashed below a Welsh mountain road. One of the young women inside it is dead, the other badly injured with no memory of who she is or what just happened. All she has is a bus pass showing her photograph and a name she doesn't recognize. As she struggles to recover from her injuries, a startling revelation shatters everything she thought she knew, forcing her into an uneasy alliance with Detective Bronwen Pryce. With danger closing in from all sides, the two women must work together to uncover the truth - even if it kills them.

Scarlett Grey, disgraced assassin, is determined to get revenge. Quinn Adams, medic turned-poisoner for hire, is her deadliest rival. For years, they've stolen each other's clients, sabotaged each other's business, and occasionally… slept together. When the Magician Queen offers an irresistible deal, Scarlett and Quinn are forced to work together. But this is not a simple job. With an impossible heist ahead, they're going to have to trust each other… And that's not easy when they both have secrets to hide. Harder still when those secrets will betray the ones they love.

The isolated, sleepy little village of Timber Falls—built on the bend of a swift mountain river—swells during the summer months as tourists flock to town to run the river, lured there by the Class IV and Class V rapids. A gruesome murder of a college student—a river rat—brings the FBI to town. Lynn Carter, a disgraced LAPD detective, was offered an out—a position on a team of unorthodox FBI agents. When her commander sent her to Timber Falls—a town by only the stretch of the imagination—she had no idea she would find her peace there. No idea she might find love.

Homicide detective Tori Hunter was used to doing things her way. But even after six different partners in seven years, she was not prepared for the hot-tempered Samantha Kennedy. Samantha, on the other hand, was trying to juggle a new job and a demanding boyfriend and now finds herself with an even greater challenge - being partnered with the most difficult detective in the entire squad.