15-year-old Krystal who has the special power to sense something when she touches an object is leading a normal life with her friends and boyfriend, Simon. Well, that's until one day everyone around her started laughing. She finds up that there's someone named the laugher controlling her loved ones. But why isn't she affected? Now,it's up to Krystal to protect her loved ones. And, of course defeat the laugher. Can she do it?