After a decade since the tragic split of Red Velvet, their fans still remember the odd rumors and specualtion once the group broke up. However Wendy was attempting to stay out of the lime light by living alone working on her art. Only Joy knew why Wendy left and where she is. So the day Wendy saw the one who ruined everyone, her life as a singer, her friendship with her group and friends, the one who made her leave everything behind, and the one who broke her heart whci had taken ten years to mend. Wendys heart broke all over again when she saw Irene Bae standing infront of her.