Lin Chen, who came from a small city, entered a large company in Shanghai with dreams in mind, and met colleagues, roommates and friends with very different personalities. Not only does he have to work hard in a cunning workplace and adapt to the fast-paced urban life, he also has to face a rich but challenging growth test - the collision of independence, friendship, love and family responsibilities. Mistakes and opportunities come one after another in the workplace, life is messy and dangerous, and the mutual support and joyful complaints between partners make people laugh and cry. From being a novice in the workplace to gradually taking the initiative in life, Lin Chen and his partners finally found themselves in the ups and downs of the urban battlefield and embarked on a new journey of life together.