Su Miao, a careless and careless girl, has a group of like-minded friends. Mu Haoran is a boy with a calm personality who likes to think about everything for Su's sake without saying anything. Fang Ge, a gentle boy, should he let go of his unspoken love? Youth must be gained and lost before it can be called youth. It is a light-hearted and funny modern urban short story. It is necessary to have ups and downs in the process, but it should have a happy ending.