Mud Vein — Tarryn Fisher

When reclusive novelist Senna Richards wakes up on her thirty-third birthday, everything has changed. Caged behind an electrical fence, locked in a house in the middle of the snow, Senna is left to decode the clues to find out why she was taken. If she wants her freedom, she has to take a close look at her past. But, her past has a heartbeat…and her kidnapper is nowhere to be found. With her survival hanging by a thread, Senna soon realizes this is a game. A dangerous one. Only the truth can set her free.