Young Master's Flash Bride

Gu Jingshen, the president of Gu's Group, has been in mourning for three years after his grandmother passed away. Qinghe proposed to him in public because of a prophecy from her master. Gu Jingshen had no feelings for his future fiancée Su Keyun, but later discovered that Qinghe was actually Su Keyun's biological sister. Gu Jingshen asked Qinghe to be his life assistant. What kind of sparks will the two create?