杜一风与校草乔彬因自行车相撞结缘,从针锋相对到携手创业。乔彬身世隐秘,杜一风意外得知其母亲抛弃他的真相,在父亲病逝时陪伴左右,让乔彬首次感受温暖。杜一风当众向南雨表白失败,促使三人正视情感,最终以友情为纽带共同成长,在事业与羁绊中寻找平衡。。A cynical journalist decides to take a train from Washington, D.C. to Los Angeles for Christmas to get inspiration for a story in honor of his late father. He gets to know the other passengers and runs into an old flame while aboard.。