On the day when the hyperpnea syndrome occurred, Li Linghe walked into the sea without hesitation before sunrise. In the sea water in early spring, what invades the body and mind is desolation and coldness. Paper bags used for overbreathing certificates were left on the beach, washed away by the sea and ravaged by the sea breeze. The sun gradually rises above the sea level. Under the sunrise, the world is full of haze.