Ada (Zhong Baoluo) and Arabic (Ken Choi) is best, but the identity of the two are as different as heaven and hell. ADA was born with silver spoon, with the support of family after graduation, become a radio DJ, fame and. And Avon was born poor, from his brother Joe (Li Xiaotian) support to complete their studies. Joe is a very high artistic talent in music, but too often tied to the life of foot. So the text is interested in music, but the burden of life was forced him not breathe. There is a spare sum ADA together, reveling in the music world. But not every day is Sunday., when two people are met the lovely girl Sun Dier (Zhuang Jinger), they are not conscious of falling in love, but two people but don't know to is third, but when love is in development, so the case, two people be too strong to break the friendship of the cracks...... Line son also think two people each have their own good: Avon is a courtly and gentle, restrained and very talented person, can read, can photography, can play can sing, mature and stable; and ADA nature optimistic and cheerful, and he was very happy together. Two friends in the face of friendship and love choice, line son also faces a choice is very painful.