The Master of the House(大当家)

Based in 1937, Shanghai, China is fighting a war against the Japanese. A banker, Cheng Yifei has his own conflict amongst his battling family dominated by betrayal and deception. His second son, Cheng Yueliang is autistic but gifted with amazing photographic memory and analytical skills. He saved thousands of refugees from a massacre by decrypting Japanese messages. Eventually, he became the Master of the House.