The day you're born your given a necklace. That necklace that chose you, will light up when you have met your soul mate. It's like a timer except you never really know when it's gonna go off. Lexy a 17 year old girl spends her whole life wondering when hers will light up, as every girl does. When she meets Jess not only her necklace but her whole world lights up. Except theres one problem... His doesn't. Has there been a mistake?