JC, portrayed by Alexander Polli, is a B.A.S.E. Jumper and a worldly thrill-seeker who literally lives life on the brink, chasing humanity’s ultimate aspiration—to soar through the skies. However, when one of his jumps ends in disaster, his dream is abruptly crushed. Plagued by the incident, JC becomes captivated by ASH, played by Julie Dray, who is the partner of his closest friend. He begins to push his limits more than ever, flying lower, closer, and faster, capturing every second on film. As JC spirals into a darker path, he endangers not only himself but also those around him. “BASE” chronicles a man’s plunge into chaos and observes his inevitable fall.