The half-brothers, former supernatural hunters, Scott Jones and Ryan Waygetter and their younger sister Rachel embark on their adventures in the Renaissance era with their mentors, Jack Archer and Amy Young, childhood friend, Chelsea Delaney, and their respective pets as they begin to experience Da Vinci's history. Today, it was Taylor and Owen's birthday on September 20th, to cheer them up, they accidentally brought the star-crossed lovers, Romeo and Juliet to the modern day whereupon planning to change their fates.