The show does not aim for strict historical accuracy. Instead, it embraces a "history is cool" aesthetic. The costumes, haircuts, and dialogue feel modern. Leonardo is essentially a Renaissance rock star, embodying the spirit of the age rather than the letter of the record.

: Leonardo encounters a cryptic figure known as "The Turk" (Al-Rahim), who tells him that "History is a lie". Al-Rahim reveals that Leonardo is chosen to find the Book of Leaves , a legendary source of forgotten knowledge sought by a secret society called the Sons of Mithras.