When Li Yang first entered the Siheyuan, he felt comfortable and warm with his neighbors. At work, he encountered difficulties and traps, but relied on his firm belief to break through them. In terms of love, his love with Xiao Hua has endured despite family opposition and external interference. During the years in the courtyard, they faced all kinds of life together, including laughter and tears, quarrels and reconciliation. Here we witness their growth, perseverance and struggle, and interpret a life story full of fireworks.