Jiang Xiaoyu and Zhao Zuozuo do not want to break up upon graduation, so they choose to receive a marriage license before receiving their diploma. Zhao Zuozuo accidentally gets pregnant near graduation, and the hurried marriage is in crisis. The child is accidentally lost, and the two can not bear the blow of life and finally break up.

Reserved, intelligent and generous, Leo has achieved professional success and now lives secluded in Serra da Cantareira, alongside young Karina. He discovers that he is ill, and decides to reunite the old friends of the 1970s, with whom he fought the military regime.

With their tumultuous relationship wiped from his ex-boyfriend's memory after an accident, Fumiya capitalizes on Okusawa's amnesia to start anew.

In a hospital in K City, a sudden car accident caused Gao Yuan and Huo Shang, who hadn't seen each other for eight years, to meet again. Eight years ago, the dumb student Huo Shang and the smart student Gao Yuan became best friends by helping one another. They made a deal to be enrolled in the same university, but Liang Qi ended up in an accident, and after Huo Shang helped Gao Yuan and Liang Qi out, he went missing. It has been a pain in the neck for Gao Yuan as Huo Shang left without saying anything. Now, they have a chance, to re-create the relationship and clear up understatements.

High school sweethearts Gao Song and Pei Yanyan fell in love during college but broke up after graduation. Seven years later, Pei Yanyan is still single, while Gao Song is about to get engaged. As they reconnect, old feelings resurface, forcing them to confront their past and decide if their love deserves a second chance.