Octavo

A rivalry between Scarlett, a biophysics graduate, and Artie, a retired art history professor, transforms into an alliance when they uncover a manuscript by Leonardo da Vinci's last pupil while authenticating hidden paintings. This manuscript reveals a murder mystery Leonardo must solve to protect his notebooks. Fearing their wealthy client will suppress the manuscript, they devise a plan to steal it and publish the story under new identities. Their adventure through northern Italy becomes a thrilling race against a determined adversary, blending historical intrigue with modern tension.