Japanese.

Shi DaLiao accidentally went undercover as a cook in the Japanese camp. Little did he know that the fellow comrade and restaurant owner Lao Qiu who escaped from the Japanese siege with him that day was the mysterious Japanese man.

"My Father is an Undercover Agent" is an anti-Japanese spy war drama jointly produced by Shanghai New Culture Media Group Co., Ltd. and Shanghai Blue Star Advertising Communication Co., Ltd., directed by Zhao Lijun and starring Sun Song, Yan Xuejing and others. The play focuses on the father going deep into the enemy camp to find his long-lost son. It tells the story of Shi Daliao's story of smashing the Japanese Army's R plan during the Anti-Japanese War.