When Chen Jiahao asks about dormitory air conditioning in the freshman group chat before the start of school, his classmates mistake him for someone who loves showing off. After enrolling, he gradually dispels their prejudices through his sincerity, talents, and proactive attitude, forging deep friendships with his roommates in Room 502. Through campus competitions, evening events, and public service activities, he continually demonstrates his abilities while actively helping his roommates overcome challenges involving studies, part-time jobs, relationships, and personal growth. Amid misunderstandings, challenges, and the flutter of youthful romance, Chen Jiahao ultimately finds friendship, love, and recognition, becoming one of the most talked-about freshmen at Jiangcheng University.