Interesting Detective Hong Kong History

Three teenagers who called themselves detectives played tricks to investigate interesting allusions in Hong Kong. Has Lantau Island been haunted by merman? Has Dharma Master really been to Tuen Mun? Did the Queen of Heaven appear in Hong Kong in the Southern Song Dynasty? When and where did Cheung Chau Bun Festival origin from? Were Zhang Baozai and Zheng Yisao were real persons?...... Even as far back as the Stone Age, as long as there are interesting and weird historical riddles, they will get to the bottom!