Vampire's Promise

Lacey and her friends just want some fun. And what could be more fun than spending the night in a creepy old house? Especially a creepy old house with a strange circular tower? It's all just harmless fun, right? Wrong! A vampire lives in that tower, and he wants something before he'll let them leave. One of them will have to stay . . . and there's only one more catch. Lacey and her friends must choose the person who has to stay behind.