Yu He and Lin Xiao are a pair of urban youths with very different personalities. They became partners by chance due to their work. The two have friction and growth in the workplace and in life. They have both the struggle to pursue their ideals and dreams, and the helpless swing under the test of reality. Friends, family, love, struggle, confusion, humor and warmth interweave into the playground of a group of young people in a bustling city. The content of the three volumes progresses layer by layer: starting from the ordinary career, to the exploration of personal dreams and interpersonal relationships, and finally finding the true self between family, friendship, love and ideal reality. The story has ups and downs, the plot is compact, humor and warmth coexist, it is completed in more than 1 million words, and the pace is fast.