Once again is a sequence of Sudden Love. The Love story between the most popular Boygroup member Infinite L and Solo singer Ninee or Im Ree Nina suddenly became chaos. No ones know the relationship between them except Infinite member and their manager. They have been three years together but misunderstanding and too many issues make them apart. Lisa is the new popular singer. Fans kept gossiping her with Myungsoo and who knows she keep her eyes on Kim Myungsoo, fluttering him and saving his phone number. But, who knows. Eventhough Myungsoo and Nina didnt get along together but Myungsoo never forgot her. Sadly, Nina already give up on their relay. Let's look forward how Myungsoo's love story continue !