A circle of longtime friends reunites for a weekend retreat at a cabin in the mountains. Despite the passage of time, their camaraderie appears unchanged. However, beneath the surface of their shared laughter and tales lies a dark chapter from their history that still casts a shadow over them. An unexpected and bizarre event disrupts their plans, isolating them from the outside world with no means of communication. As they attempt to seek assistance, the group begins to fall apart, just as they witness an astonishing new natural order emerging around them.