Leslie can't wait to turn sixteen. She's planning a huge birthday party. Everyone's invited. Her gorgeous boyfriend, Rick. Her best friend, Deborah. Her cousin, Trish. It's going to be the biggest bash ever.

But out of the blue, weird things start happening. Scary things. She nearly gets knocked down by a runaway car. People start getting hurt. It seems like someone doesn't want Leslie to make it to sweet sixteen.

But a few little accidents won't scare Leslie. She's going to have her party. Even if it kills her.