Kate McKenna is a photojournalist with a renegade reputation, and a fearless streak that lands her in an experimental hot air balloon flying over the Rio Grande with the infamous Nick O'Brien. She wants to capture the real man behind the brilliant inventor, but to do that she needs to survive a crash landing in a lawless land and the ruthless bandits who take them hostage. As they conspire to escape their captors, Nick's fierce protective instinct ignites a deep, primitive desire.