Underworld: Rise of the Lycans

Underworld Rise of the Lycans is a 2009 American action horror film directed by Patrick Tatopoulos. It is the third chronologically, the first installment and the prequel to the Underworld film series, focusing primarily on the origins of the characters and the events that lead up to the VampireLycan war, depicted in the previous films Underworld 2003 and Underworld Evolution 2006.

With the help of Andreas Tanis, Sonja orchestrates Lucians release in exchange for her seat on the vampire council. Lucian, unable to flee alone, decides to escape after liberating all of the other Lycans. Sonja remains behind but will meet Lucian in three days, and one night while preparing to leave is visited by her father. Viktor asks if she assisted in Lucians escape, and although she denies it, he discovers the real truth after biting her neck and reading her memories through her blood. Discovering her relationship with Lucian, he then imprisons her. Meanwhile, in the forest, Lucian recruits both human slaves and werewolves to form a force against the vampires. In the fortress, the vampire council and nobles demand that Viktor recapture Lucian, and Viktor replies that he is confident Lucian will return.Lucian learns about Sonjas imprisonment and eventually rescues her from her room but they are stopped from escaping by Viktor. Sonja, hoping to spare Lucians life, reveals to him that she is pregnant with Lucians child. Disgusted, Viktor overpowers her and imprisons both her and Lucian. Sonja is unanimously sentenced to death by the council at a trial presided over by her father, and is executed by exposure to sunlight in Lucians presence. Viktor later visits her body and retrieves her pendant. ........

Source: Wikipedia