Luhan and Seohyun were a couple and all SM knew this. They famous for their care and lovey dovey action toward each other but suddenly one day, Luhan don't talk and care about Seohyun anymore and so does Seohyun. What happened?

To Chen, Taeyeon was just another member of SNSD and he didn't understand why his fellow members, especially EXO K, were so obsessed with her. Until he heard her sing... and suddenly everything made sense to him...