 Yeung then escaped to Macau to live with his great aunt.In 1959, 26-year-old Yeung, now named Chor Au-kuen, returns to the Kowloon Walled City to search for his sister.He meets But Tak-liu, a general contractor, who brings him into the walled city and introduces him to a water labouring job so he can pay his rent to the landlady Tiu Lan.