While Nadia was putting her laundry in the washing machine one by one, she suddenly noticed the red mark on Rohan's white collar.

She was stunned for a moment and examined carefully what kind of stain it was. She immediately went to her room and she just pushed the cabinet a little and then her secret room opened. Where all the important documents and some of her equipment when she became a spy were kept. She sat down for a while and took some cotton buds, once she rubbed them on the stained polo.

She inserted the cotton buds under the microscope and examined what red stripes she saw on...