S01E06
Hae-sung's Father's Notebook
Aired March 8, 2025
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Summary
The school's security guard dies, leaving Hae-sung a notebook belonging to his missing father. The revelation is shocking, and he storms the NIS for answers. The answer pushes him away from the mission, and he takes time off. However, he resolves to continue but returns only to discover Soo-ah witnessed it all.
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