Deep in the Rocky Mountains wilderness, Forest Ranger Buck Thompson unexpectedly comes across Geologist Jessica Alaway at what he thought was an abandoned ranger station. Despite an instant attraction, they find themselves at odds when he delivers the news that a powerful tech corporation took her research site out from under her. When lightning strikes, sparking a deadly wildfire at a nearby mining site, Jessica fails to hear the warnings, leaving her unknowingly in its path. Buck rushes to her aid, but upon his arrival, the flames intensify, stranding them amongst the harsh conditions and cutting them off from the outside world.
With Jessica a risk-taker and Buck more cautious, tensions begin to flare as they try to escape the blaze and reach safety. But in the face of danger, they form an unbreakable bond and quickly realize that their only hope for survival is to come together, igniting a romance in the most unlikely of places.