Zhou Man, an older single woman, was too lazy to find a boyfriend, so she stayed single happily for decades. However, at the end of her youth, she met Liu Binghang, the person she fell in love with at first sight. However, Liu Binghang had already married and started a family. Zhou Man is obsessed with his secret love for Liu Binghang, unable to move forward or let go.
After failing a promotion interview, Zhou Man suddenly had a mid-life crisis. He felt that he had accomplished nothing and wanted to find someone to rely on. However, the search process did not go smoothly.
At the same time, the various single and unmarried friends around Zhou Man, led by Xiaokui, shocked her a lot.
At the end of his 33rd year, Zhou Man made the final choice between those around him and Liu Binghang.