He is the second son of twins, born to be the shadow of his elder brother.
Bian Guan narrowly escaped death, but was forced to take his brother's place and become a fake couple with his sweetheart for three years.
The day the truth was revealed, she called him a liar, a thief, a dove and a magpie's nest, and even her own child was called a filthy son.
He took his son to say goodbye, buried his true name in the snow, and wandered around the world.
Five years later, they reunited in the misty rain of Jiangnan. She had given birth to his legacy, but he saw her calling someone else her husband.
Han Tan was about to die, Xuezhi saved his life, and when all the misunderstandings were resolved, he realized that those three years of tenderness were all his sincerity hidden under the substitute.