March 22, 1942 (, Imo February sixth days), Yu Ling completed the drama "night line".

1942 March, playwright the Ding Ling creation completed drama "night line".
the play as the background to the current war of resistance, write a life of three people is located in the International Settlement Shikumen house.
principal tenant Wei Zhicheng only know tough sigh current affairs, and his wife learned guest Shen Chunfa rely hoarding fortune. Shen Chun-fa speculation grew and grew, and even multiply Wei Zhicheng couple hoard goods at a loss of the machine swallowed wins the All real estate, and drive them out of the house.
another guest Yu Weixin poor teacher, his wife any Lando postpartum infant mortality, suffering from severe anemia. The weight of a life of poverty Yu Weixin breathless classmates Chu crown the ball dark voted the Japanese wanted to seduce him as a traitor. Another classmate this conspiracy Yu Chen Jian debunk. The help of Chen Yu polish his eyes, when Chu gun to force Chen, Yu succumb, Yu Duoqiang the that killed Chu result arrested.
outbreak of the Pacific War, the Japanese army stormed the International Settlement. Shen Chun-fa exclaimed itself facing bankruptcy. Yu prepared to leave Shanghai, went to the War of Resistance Against Japan in front.