After five years of marriage, Liu Ruyan is an impeccably good wife in the eyes of the neighbors - the warm soy milk in the morning always remains warm, the neatly ironed shirt never misses a button, and she can even remember my preferences that I mentioned casually. I thought this kind of stability would last for a lifetime, until that rainy night, when she pushed in the door wearing a muddy cycling suit and carrying the unfamiliar smell of alcohol and perfume, breaking all my perceptions. The gathering of the cycling club became the trigger. Behind the night of not returning, was her vivid life hidden under the mask of gentleness: her wantonness when racing with strangers on the mountain road, her openness when laughing loudly by the campfire, and even the sharp eyes that I had never seen before. When "well-behaved" becomes a carefully maintained appearance, how should I face the familiar yet unfamiliar wife in front of me? How many secrets are hidden in this marriage in the name of love that I don't know about?