During their university vacation, Gu Wan and her roommates, Qiao Yan, Shen Qing, and Song Zhi, share an unlicensed car for a trip, never imagining that the driver is actually the leader of a kidnapping gang. By a twist of fate, all four return to the time before the tragedy. Determined not to repeat their past mistakes, Gu Wan stays calm and secretly devises a plan while her roommates gradually overcome their panic and come to their senses. Qiao Yan's secret is eventually exposed. Trapped in a hotel, they attempt a midnight escape, and Gu Wan cleverly alerts the police. The authorities arrive in time to capture the criminals, and everyone escapes safely. A confrontation in the hospital reveals the truth behind their rebirth. Gu Wan strikes back and brings everything to an end as the kidnappers are arrested and finally face the consequences of their actions.