Lan Xueer, whose parents are divorced, lives with her only grandma. She is beautiful and lonely, and has closed the window in her heart, because she was not blessed for her birth... Ling Yechen, a lonely young man, is arrogant and unruly, just to hide the loneliness in his heart... He longs for happiness but is doomed to not get it. Two people who don't know how to seize happiness meet. What happened? Escape, sadness... One episode after another... After returning to the starting point one after another, I found that happiness is so simple, right in front of me...