The story takes Li Yuanhang as the perspective, and through four volumes shows how he and a group of urban youths cope with life challenges with humor, wisdom and passion under multiple pressures such as growth, emotions, work, and family. The four volumes respectively focus on graduation and job hunting, friendship and emotional entanglements, career struggles and family changes, life choices and self-reconciliation. The protagonist gains growth, cherishes friendship, and moves forward bravely through ups and downs. From a small town to a big city, from a young student on campus to a social person, the story of the voyage depicts the dreams, struggles and transformations of a generation of urban youth. The book has a tight rhythm, humorous dialogues, and the search for warmth and hope in reality. The story of the growth of millions of people finally ends with warmth.