Lives depend on two women when a train derails high in the remote Alps, but an unforgiving mountain, avalanches, crevasses, and other perils stand between them and safety.

Associated Press reporter Hudson Mead is an extreme skiing enthusiast who has covered war zones and natural disasters during her long and distinguished career, but nothing could have prepared her for the challenges she’ll face when the snow train she’s riding is decimated by a massive avalanche.

Librarian Steffi Graham, on her first trip abroad, is anxious to hone her rock-climbing skills in a new and unfamiliar terrain of ice and snow. She gets much more than she bargained for when her talents put her on the team that goes for help.

As the two strangers struggle to reach civilization, they must compromise and learn to trust each other, a task that may be nearly as difficult as the journey itself.