For Centuries, life seemed like it was in peace. But since a few years, the vampires want the king to step down and want the crownprince to take the throne. But there is something about the prince that they don't know... he is actually a robot. After their actual son was taken away when he was only 5 months old and grew up in a normal household. These days, Taekwoon is working as a bartender in a bar and is making a lot of money. But one night chances everything. Because when Taekwoon makes his way home, he bumps into the robot that looks like him. The robot also acts human and wears the name Leo. Taekwoon then tries to get away from the robot, but Leo is after him. Because Leo remembers that he has to bring Taekwoon home, but Taekwoon isn't really planning to go with Leo...