The forum discussion revolves around the concept of a mysterious 13th treasure that seems to have a universal significance. JoshCornell mentions a film by Ben Wheatley, "A Field in England," as a reference point. There is playful banter about the possibility of the treasure being hidden on the moon, which is clarified by JoshCornell. burnstyle and gManTexas discuss the treasure not being a dream but a real experience involving various individuals like Goonie, White Rabbit, Renovator, and even the moon. The conversation hints at both dark and beautiful aspects of this treasure. Overall, the discussion delves into the mystical and enigmatic nature of this 13th treasure.