The story of 3 Tian Tang Street is about a Shanghai teenager Lang Lang's life: misunderstanding between his parents which threatened to evolve into a divorce, loving admiration for a girl who was sophisticated enough to take advantage of it, encounters with a school bully, friendship with a despised weakling in his class, breakup with a buddy because they couldn't see eye to eye over the bully and the weakling, and a death in the family. Most of all, he received a mysterious letter from 3 Tian Tang Street....
