Few people can have it all. Along the long course of fate, everyone must face countless difficult choices. At every major crossroads in her life, Song Xiaoyu follows her heart. Yet years later, she often looks back through the cracks in time at the paths she took, gazing at the scenery she missed on the other side, her heart full of emotion and reflection. Where will her story lead as the years go by? Follow her journey as she struggles and grows with every choice she makes.