A niece who lost her parents and grew up in the hands of an uncle who runs a shopping mall faces a new truth after her uncle's sudden death.

The second volume takes Ji An back to her university days. She comes across a trading app used for selling second-hand items or services. One day, someone starts offering killing and terrorist services, and someone asks them to murder Ji An. Threatened by unknown killers, Ji An sets off to uncover the truth and what triggered this incident.