Goddamned Asura

About Goddamned Asura: On his 18th birthday, Jan Wen shoots randomly at the crowds in a night market for unknown reasons. The tragic incident causes a strong impact on the lives of his family and friends, the victims and the witnesses. However, if there was a chance for them to make different choices, would the tragedy still happen? Will it be a different outcome if they all changed their behaviour at the crucial moment?