Develop a detailed plotline with clear backstory, rising action, climax and resolution, for an adventure thriller centered around a group of treasure hunters who stumble upon a cursed treasure trove, haunted by malevolent spirits who will stop at nothing to protect it. Make sure to include a diverse set of multi-dimensional characters, each with their own motivations, conflicts and backstory. Use descriptive, evocative language to bring the setting, atmosphere and encounters to life, while maintaining a fast-paced, action-packed narrative style.
This prompt doesn't seem malicious.