On the eve of graduation, Bai Youyou's long-term relationship ends when Yu Ziheng leaves her to handle his family's debts on his own. While dealing with a broken heart and family turmoil, her best friend, Gao Shang, silently supports her. Meanwhile, classmates Hu Kankan and Xie Ruolin adjust to their new step-sibling relationship. Together, this group of college students navigates through love, loss, and the challenges of growing up.