Haunted by recurring dreams that seem to predict tragic real-world events, a reclusive philosophy professor in rainy Edinburgh embarks on a desperate investigation to decipher whether fate governs all — or free will offers even a glimmer of escape. As the deaths draw closer to his inner circle, he must solve the riddles within his own subconscious before destiny claims another victim, raising the terrifying question: if tomorrow is written, can it be unwritten?