Mysterious anomalies descended globally, forcing everyone to enter a world of rules. Yu Yuan, who has lived a second life, seizes the initiative ahead of time, obtaining a seemingly useless hidden mystery box and unexpectedly unlocking a system where watching ads grants unexpected rewards. While others struggle for resources, she uses bizarre props to level up all the way, gets acquainted with the cold-faced big shot Song Yu, and uncovers the secrets hidden behind the plot, going from surviving alone to becoming a guardian trusted by everyone.