Luo Qingtian once mistakenly trusted others and fell into a desperate situation when the doomsday arrived. Carrying her memories, she returns to three months before the doomsday, determined to take her destiny into her own hands. She activates her ancestral portable space, stockpiles supplies and builds a safe house in advance, trains hard, and awakens supernatural abilities. After the calamity strikes, she calmly responds with wisdom and strength, walks shoulder to shoulder with the rescued white tiger Dabai, protects the innocent and helps her neighbors, and also forges a bond of comradeship with the upright and responsible rescue captain Di Jiang. This is a growth story about independence and self-reliance, thriving towards the light in desperate straits.