In 'Breathless,' journalist Cecily Wong embarks on a high-stakes quest atop Manaslu—one of the world's tallest peaks—to profile the legendary mountaineer, Charles McVeigh. As the mountain's perilous heights test the climbers' limits, their mission turns lethal. Amid theft and accidents, Cecily discovers a chilling warning: a murderer lurks among them. Isolated and under siege by an unseen assailant, the team's survival instincts ignite. With each step upwards, trust becomes vital—and every breath may be their last. Cecily must unveil the killer before the unforgiving mountain claims another victim in this exhilarating race against death and nature.