“Nocturne” is a horror film that follows several recent high school graduates as they celebrate their first night as adults. Isaac intends to throw the greatest graduation party of all time while his parents are out of town. Instead, he is disappointed to find that only a handful of his friends show up. Intent on making the best of the night, the group performs a séance to learn more about the futures that lie before them. Unfortunately, the seemingly innocent game goes terribly wrong and they soon find that they are not alone in the house. Something has joined the party, and it wants them dead.