I Sassi

Anna returns to her hometown after a decade away. Her father, a renowned architect, has vanished without a trace, leaving only cryptic blueprints and a key to a derelict workshop. Teaming up with a childhood friend who now works at the city archives, she begins an investigation. Their search leads them to a network of underground tunnels beneath the historic city center — a place her father referred to as 'I Sassi'. Anna gradually uncovers that the disappearance is linked to a secret society guarding ancient knowledge about urban architecture. The inquiry becomes a race against time, where each discovery challenges the very nature of reality. This 2026 Italian thriller blends mystery and detective elements, exploring memory etched in stone.