Xiaowei travels to Thailand to find his "billionaire grandfather" who is out of contact due to debt problems, but unexpectedly find the one who has been corresponding with his grandmother for years is not her husband.

Li Sitong
as Xie Nanzhi / Zia Lamgi

Wang Yantong
as Zheng Musheng / Den Bagsheng

Wu Shaoqing
as Old Ye Shurou / Iap Sogriu

Zheng Runqi
as Xiaowei / Hiou-ui

Wang Xiaohui
as Young Ye Shurou / Young Iap Sogriu

Zhao Shuguang
as Xie Zehua

Li Deru
as Aunt Ru

Li Shuhao
as Chu Yuan's Father

Usha Seamkhum
as Old Xie Nanzhi

Fang Peisong
as Xie Nanzhi's Father
CinemaSerf
"Xiaowei" (Runqi Zheng) is convinced that his grandfather was a very wealthy man who made a considerable fortune in Thailand, and so armed with what he hopes is an address he has surreptitiously gleaned from one of grandmother's old letters he sets off to introduce himself - and hopefully get an ear...