A sudden cold wave quietly changes a peaceful life. Ordinary girl Shen Zhixia accidentally discovers her neighbor preparing for the future in advance. Instead of choosing to wait, with keen observation and firm determination, she opens up a journey of taking precautions for herself. From sorting out supplies to building her own safe space, she learns to be independent and grow step by step, while guarding the hope in her heart. In the long cold winter, she greets challenges with wisdom and courage, preparing a warm spring for herself amidst the wind and snow.