In her London home, television host Josie Turner waits for news of her tycoon husband who is stranded high on Everest. In a remote Alaskan valley, avalanche expert Hal Maher is involved in a nail-biting rescue. When the carnage ends, Josie and Hal find their lives turned upside down. When they meet, a fragile alliance is formed. Hal is an ex-Everest guide who promised himself he would never go back. Josie has deep set reasons of her won to confront the ultimate peak. The siren call of Everest binds Josie and Hal together in a summit bid which puts them in mortal danger. Their attempt becomes a desperate fight for survival.