"Underworld: Rise of the Lycans" is a 2009 fantasy action film that serves as a prequel to the original Underworld series. The story focuses on the origins of the centuries-old conflict between the Vampires and the Lycans, a race of werewolves. It centers on Lucian, the first Lycan, who leads his people in a rebellion against the oppressive rule of the Vampire aristocracy, particularly Viktor. The film explores themes of love, betrayal, and freedom, highlighting the relationship between Lucian and Sonja, a Vampire who defies her family's expectations. As the battle escalates, the film delves into the dark history that shapes the ongoing war between the two factions, setting the stage for the events of the original series.