Cream, a bright personality with a dark streak somehow manages to make a connection with the secretive K. As high school classmates, they share their loneliness, get close quickly, and fill the emptiness in each other. Cream moves into K's place and they depend on each other like a family or lovers. Years go by, and K works for a record company and Cream becomes a lyricist, but they still live together, neither a couple nor friends. Diagnosed with leukemia, K is hesitant to reveal his illness because he does not want to hurt Cream by leaving her alone. Not knowing any of this, Cream starts dating another man, eventually accepting his marriage proposal.
When it is time for the Chinese gaokao, the entire country comes to a standstill. For nearly ten million high school students, this two-day national college entrance exam will determine where and if they get to study. It is not uncommon for the fates of entire families to hinge on the results. Like so many others, Nian has been focused on preparing for the exam, at the exclusion of everything else and is all alone. A classmate has committed suicide and she has become the target of relentless bullying. Meanwhile, fate brings her together with small-time criminal Bei and the two of them seal a pact.
After the death of his wife, a man decides to retrace their steps from the past, looking to reconnect with old friends and make right promises he made before her death.