Shan he gu ren

http://www.imdb.com/title/tt3740778/

What the hell has happened! A mixture of Sambar. Chutney, Chocolate, Isuruvade and Bitter gourd fries.
Stated as a love story with two men and a woman; turned into a rich vs. poor comparison; moved into mother missing her son tone; ended up as a futuristic story with boy loving his teacher of 2025.
Mountains May Depart!