When longtime friends Amy, Frankie, Rachael and Nina reunited for a holiday singles cruise, it not only deepened their bond, it changed their lives. Now they’re getting together for another adventure, and what better winter setting than a fabulous ski lodge? Crisp snow and fresh air by day, cozy fires and delicious food by night, capped off by meeting up with their significant others for a New Year’s Eve celebration—it’s perfect. At least,...