There was a lot of time that year, and you and I met in the clouds. Later, we both lost to fate. Xu Yanyan and Nancy have known each other since they were fifteen years old. Throughout their youthful and shy years, they have witnessed the most beautiful love and friendship in time. However, a shock destined to leave. Whispering time, the hardest thing to return to is old friends. It's hard to live, hard to die, hard to love, hard to hate, hard to leave. In the end, the ending is a mystery...