The Night of Fright

3 teenagers are studying in the school after hours. All of a sudden the lockdown alarm turns on and they panic. They try and fine a place to hide while they wait for the alarm to turn off and they stumble across the basement, they go inside and didn't expect to find what they did. They realize they are stuck in the basement until the next school day. What will they do? What did they find? Who was in the school? And most importantly, will they be able to survive the night?