Lin Xiao, a 30-year-old working woman, originally had a seemingly glamorous life, but she completely collapsed under the double blow of career and relationship. On a desperate night, she accidentally triggered a mysterious pocket watch and traveled back to her 10-year-old childhood! Lin Xiao returned to 2003, armed with the wisdom and memory of an adult, determined to restart his life. Facing her past regrets, she is no longer a helpless bystander, but holds the key to change. She could have easily crushed the school exams, but she chose to hide her strength appropriately to avoid attracting unnecessary attention; she foresaw that her father's investment would cause the family to break up, so she cleverly guided her father to avoid risks in an attempt to change the family tragedy; she knew even more clearly that her childhood friend would die in an accident in the future, so she made a secret plan to try to save her friend's life. However, every change to the past makes Lin Xiao's memory of the future gradually blur. She begins to realize that changing the past does not come without cost. As the mission progresses, Lin Xiao gradually uncovers the truth about the "Guardian of Time" - it turns out that she is not the only one trying to change destiny, and there are more complex rules and missions hidden behind the restoration of time and space. In this story full of suspense and choices, Lin Xiao not only has to face his own inner struggle, but also plays against the rules of time. Can she truly understand the code of life and find her own answer? Where will this journey in time take her in the end?
