It is generally said that one stands at thirty.
"Standing at Forty" is a plot micro-movie directed by Yin Bo, starring Sun Bingnan, Zhou Nongfu and others. The film tells the story of four old men in their forties who decided to pursue their dreams again, but each one failed. In the end, they discovered that instead of lingering on the warmth of the past, it was better to grasp the happiness of the present, so they began to pay attention to the problems they were facing.