On a perilous climb across Thailand's Mount Kwan, two climbers become trapped thousands of feet above the ground, where vertigo-inducing heights, sheer exposure, and impossible odds turn every moment into a fight for survival.

When a dark secret from this past threatens to be exposed, unorthodox and brilliant medical examiner, Doctor Daniel Harrow, must use all his forensic skills to keep it buried forever.

Following the sudden and inexplicable suicide of his best friend Shane, Craig reminisces on their cherished memories, spiraling down a harrowing quest for answers that may forever remain elusive.