4B Youth, 4th Floor, Block B

Jiayi (Fu Xinbo He is just a small actress assistant, but he always pretends to be great. However, his disguise is often exposed by others without politeness, which makes a lot of jokes. The idol Zhang Yang (played by Peng Yu) most admires is the famous Steve Jobs. However, his ideal is to become a qualified second-B youth. For this reason, Zhang Yang spends all his time studying his secret book "The Self-cultivation of 2B Youth". Although Fendou (played by Pu Bajia) was born with a strong body and was a boxing sparring coach, his personality was introverted and dull that was incompatible with his appearance. Lichuan (Xia Zitong) is a young writer who has not yet reached his prime. Although he has suffered many setbacks, he has never given up on his ideal. In Tower B on the 4th floor, four men and women with their own merits became roommates, starting a journey of laughter and tears.