What do you do when there's a killer out there to get you? What happens when they know everything about you, from where you are to from where you were? What if you don't even know who they are? Korea's singing sunshines follow the trail of lies, love, secrets, betrayal and drama as they head back to high school. It doesn't make things easier when SM Entertainment is acting strangely, those distractingly cute 2pm boys and not to mention - there's someone who wants them dead. What to do? Shhh! Soshi's Got A Secret