Love, love, love. Look what it can do to us. Some feelings blossoms, while others shatter. Like what they say, love could be like a sharp knife directly pointed at your heart. One moment, it's like eternal bliss, while if that knife drops, we breakdown. 

Two years had passed since Kang In entered the army. Leeteuk was anxiously waiting for his return, but feels exhausted. While they were preparing for their comeback, Leeteuk suddenly felt the need to leave the room and isolate himself from the rest. What actually is happening inside Leeteuk's head? Would there be any surprises to come his way?