Xitian and Xiling, a pair of brothers and sisters, have a ridiculous fate and a sad fact. Xitian always thinks: My time is running out, Xiling, you have to find your happiness as soon as possible, find someone who can always protect you, love you, never abandon you, never hurt you, and can make you happy all the time without any regrets.
God sometimes plays tricks on people. Xiling found her own happiness, went to study in France, and celebrated her eighteenth birthday with the person she loved. But hope Tian went to hide hope Ling's illness and left late at night on hope Ling's eighteenth birthday. Before leaving, he wrote a thousand and one letters, and asked someone to deliver them to hope Ling every night, so that she would think that he was still there, waiting for her to return to China at home, so that she could study with peace of mind. "When she read these one thousand and one letters, she grew up...