Lao Wang is an 80-year-old widower.
He has a daughter and a son.
His son asks him to stay in Puxi.
His daughter asks him to stay in Pudong.
Everyone envies him - "How lucky are you, Lao Wang! You have such a caring daughter and a filial son."
Lao Wang smiles wryly but says nothing.
His son lives in Pudong and his daughter Puxi.