The protagonist's name is a homophone of catastrophe. "Hao" is a depressed boy who lives in applause and has a composure that belies his actual age. "Jie" is Hao's twin sister. She has always lived in his shadow. However, she does not care that she cannot be seen in other people's eyes. Deep in her heart is the promise Hao made when she was a child to make her a bride. She does not like the sudden strangeness between the two when they grow up. She always Looking forward to some ripples in life that will allow them to collide with the sparks of brother-sister love. In fact, she is not the only one to bear the pain. The silent Hao is looking for opportunities to implement his original promise. Will his remaining sanity be shattered by his growing love for her?