Zombie Fight Club (2014) on Netflix

It's the end of the Century, at a corner of the city in a building riddled with crime. Everyone in the building has turned into zombies. After Jenny's boyfriend was killed in a zombie attack, she faces the challenge of surviving in the face of adversity. In order to stay alive she struggles with Andy to flee danger. The originally kind and warm hearted chemistry teacher, after the kayos has broken out is now the zombie leader and has transformed into a cruel, vicious and selfish character. Violent activists match prisoners against zombies in a malicious killing game, the good side of humanity has seemingly all but vanished. Now that all order is lost, how will humans create a new century?