"The Final Scene: A Thriller" by Steph Nelson

The cabin is unlocked, but there’s no escape.

When Brooke was kidnapped on her way home from work, she thought her life was over.

That was ten years ago.

She’s been held captive in an isolated cabin on the Oregon coast ever since, scrambling to follow her kidnappers’ twisted instructions to the letter. Because the price of a mistake is death.

But when a new victim shows up, everything changes. Including the rules. And this time, the only way to survive is to break them.