In the taut two-minute thriller Heptagon, director and writer Angus Argetsinger crafts a minimalist nightmare of geometric obsession. The film centers on a solitary protagonist, a brilliant but troubled architect, whose life unravels after he becomes fixated on the perfect, seven-sided shape. His motivation shifts from professional curiosity to a desperate, all-consuming need to understand the heptagon’s hidden meaning, a quest that begins to bleed into his reality and distort his perception. As the lines between mathematical precision and psychological fracture blur, he is drawn into a silent, escalating conflict with an unseen force that seems to be using the shape as a conduit. The film masterfully builds an atmosphere of creeping dread and cerebral horror, where every angle and shadow feels ominously calculated, promising that within this perfect form lies an imperfection capable of consuming a mind entirely.