A scene from the suspense series Bianshui Wangshi. The 21-episode suspense series Bianshui Wangshi on livestreaming platform Youku's White Night channel has become a surprise hit this summer. According to Douban, China's influential review aggregator, the series started with a rating of 8.1 out of 10 and rose to 8.2, making it one of the highest-rated domestic suspense dramas of …