Finding a hidden treasure could end the chaos, if the search doesn’t cost them their lives.

When treasure hunters won’t stop risking their lives in Grand Canyon National Park, the Summer Rangers shut down the park and set out to find the treasure themselves. Ranger dispatcher and former championship climber Eden Garrison has built her new life on solid ground. But when her secret past is exposed, she’s forced back into the dangerous vertical world in the hope of saving lives.

Ranger and adrenaline junkie Teague Hamilton lives for the rush, but this mission is about the woman climbing beside him. Eden’s walls are sky-high, and Teague knows the only way to reach her is to prove he’ll never let her fall.

When a family heir and Eden’s old climbing friend join the hunt, mysterious accidents leave teammates injured. Teague and Eden realize the only treasure that matters is trust, and the only way out is together.

A woman on the run and a guarded ranger must trust each other at the canyon’s edge.

Tech-savvy hacker Nimue Hart has mastered the art of staying invisible, living off-grid in her Airstream and hiding from the Russian mob who want her silenced. But when a rescue mission forces her into the spotlight, her carefully constructed world begins to crumble.

Grand Canyon Backcountry Ranger Liam Kingsley buried his heart in the Swiss Alps a year ago after a tragic climbing accident. Now he keeps tourists safe and his emotions locked away, until a mysterious woman with secrets of her own makes him question everything he thought he knew about safety.

As their worlds collide, Nimue and Liam must navigate more than the treacherous canyon trails. Their growing trust might be their only lifeline. But when Nimue’s past catches up with them at the canyon’s edge, Liam faces his worst nightmare with a woman he can’t bear to lose.