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.
Pei Yanyan and Gao Song fell in love in high school but broke up before they graduated college. As time passes the two are brought back together through their careers, 7 years later. Gao Song is now a university teacher and cybersecurity expert while Yanyan is a media reporter. Gao Song begins to realize he is still in love with Yanyan, and decides to break up with his girlfriend in an attempt to pursue Yanyan again.
Love and hate are two sides of the same coin, they both harbor resentment and love. Yanyan turns a blind eye until Gao Song encounters a life staking crisis. Only, then, Yanyan begins to admit her true emotions.
Illustrator Ritsu and salesman Fumiya's love story begins at a quaint coffee shop. Despite their happy union, a misunderstanding causes a rift between the two. After a heated argument, Ritsu has an accident and loses all memory of Fumiya.
Jiang Xiao Yu and Zhao Zuo Zuo do not want to break up upon graduation and choose to receive a marriage license before receiving their diploma. Zhao Zuo Zuo accidentally get pregnant near graduation, and the hurried marriage is in crisis. The child is accidentally lost, the two can not bear the blow of life and finally break up.
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.