The doomsday virus suddenly breaks out, and the city instantly falls into crisis. He Yuting unexpectedly receives an early warning prompt from a mysterious WeChat account, learning of her husband's betrayal and her tragic ending in a past life. Having gained the upper hand as if reborn, she relies on her wisdom and pre-stocked supplies to guard her residence, facing her husband and companions who harbor malicious intentions. In the desperate situation, she meets reliable companions, evades the crazy pursuit of mutant monsters, and struggles through a difficult escape all the way. Crossing through numerous perilous situations, she searches for the military safety zone, holds fast to hope amidst the crisis, and finally welcomes the dawn, reuniting with her loved ones once again.