In a single day of awesome destruction, nature's fury is unleashed on opposite sides of the Earth. On Mount Everest, a brutal storm rages, while in Alaska a catastrophic avalanche rips through the state.
In her London home, television presenter 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 nailbiting 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 own 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.