In the youth campus setting of the Republic of China, the love affair between the smart and handsome young master Lu Jiangyin and the smart and lovely young lady Qi Xi from a rich family has just begun, but they are deeply involved in the mystery. The youthful sweetness of childhood sweethearts is like spring thunder or drizzle, tugging at the heartstrings. Through a marriage contract, Lu Jiangyin, the young master of Shanghai's largest medicine shop, and Qi Xi, the daughter of a wealthy family, formed an indissoluble bond. Several late springs, the rich wife died mysteriously and tragically, and the homeless children drowned one after another. Qi Xi melancholy said: "I was born in late spring, and my mother died in late spring. The fire happened to come in late spring. I don't know whether to blame myself or this late spring." Lu Jiangyin said, "Late spring is good, and so are you." In fact, in late spring when he was ten years old, he also lost his beloved mother. The young man was wise and patient, just waiting for an opportunity. But when the truth comes closer and the knots in his heart for many years are about to be resolved, he just wants to protect the girl around him. "Qixi, I never wanted to be a hero." He looked at her. "But now, I think about it. "I want to go to you.