Li Xiuzhen Luna (lawyer)
Song Dafeng-Li Bimo (the second son of Song Pharmacy, pediatrician)
Jin Fuji-Yu Sun (nurse)
Song Shanfeng-Han Shangzhen (the third son of Song drugstore, TV station) In the eyes of others, they are all men from good universities and have good jobs, but like many people in reality, they are clumsy about life and don't know how to love their parents, brothers, friends and lovers. One day, fate found these four brothers, and they began their own love, from "excellent sons in the eyes of their mothers" to real mature men.