Lai Yan-Chi's short film 1+1 triumphed at two prominent short film awards in Hong Kong, namely Fresh Wave and IFVA. She multiplies the sentiment in 1+1, by N times maybe, to come up with her debut feature-length fictional film N+N. The wise grandpa and witty granddaughter from 1+1 continue to bless the city with bamboo shoots, while their own home in a rural village is torn down to give way for the high speed railway. They meet other people also jeopardized by the so-called development: artist left homeless because of factory revitalization, the middle-class striving for a living, the young generation born in the 1990s... They are all trying to hold on to the city's collective memory and every living tree.

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