The movie tells the daily lifeerrunlife of flatmate vampires Viago, Vladislav, Deacon and Petyr in New Zealand. Viago is the 16th century vampire, aristocratic and bossy often times. Vladislav is the medieval vampire, a noble vampire but also the most ruthless killer of them. Deacon is the youngest changed vampire from the World War II era, often acting out living like a bum in the flat. The last of them, Petyr, is the oldest of them, aging about 8000 years old. They live their everyday lives n the flat, still influenced by the cultures from their own times. The trio Viago, Vladislav and Deacon sometimes go out to the town and hang out. Deacon has a human familiar Jackie who does most of the blood cleaning related housework in the flat. She also lure in victims for the vampires. Deacon has promised vampirehood to Jackie but hasnt turned her yet. One night Jackie brings a couple Nick and Josephine as victims. Nick gets his blood drained by Petyr but he also turns him into a vampire. And then there were four. Nick brings in new cultural color to the group. Soon He brings his friend Stu, an IT guy, to the group. Stu introduces the modern information technology to the group and becomes a good friend to them. For this, and because hes Nicks best friend, the group form a pact not to eat Stu.Besides inviting Stu into the group, Nick is quite irresponsible of his newly gained vampirehood. He has been carelessly telling just about anybody that hes a vampire, even showing some of his abilities to complete human strangers. One day, a vampire hunter comes to the flats basement, Petyrs lair. Petyr easily kills the hunter but he dies of sunlight. The group blames Nick for this and banishes him from the flat. Alas, the night for the Unholy Masquerade comes. The masquerade is the once a year night where New Zealands undead community comes and mingles together. Vladislav doesnt go for knowing his nemesis is the events guest of honor. Viago and Deacon go there and find that Jackie has been turned by Nick. They also bring Stu there, still human. Soon the masquerade guests find out that Stu is human and they get eager to eat him. The group manages to get Stu out safely but on their way home they meet their nemesis werewolf pack who are transforming since its a full moon night. They eventually attack Stu and mangle his body. But it turns out that the attack turns Stu into a werewolf and that make the vampires and the werewolfs to be friends.