The story of "Limited Time Rescue" takes place in Bingcheng City. A female college student Liu Rui disappeared during the holidays. After her family reported the case, the Zhenbei Criminal Police Brigade immediately launched a vigorous investigation and uncovered key clues, but still could not confirm the girl's location; at the same time, another kidnapping case followed. The two seemingly unrelated cases attracted the attention of the police because of the intricate "coincidences" behind the suspects, and accidentally involved a human trafficking hunting mystery with constant twists and turns.