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Sun-ho’s Investigation Team
Sun-ho and his friends track the location of the burner phone. The professors step in to protect their students from further danger.
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Other episodes for this season
![Just Another Meaningless Day](https://image.tmdb.org/t/p/w300/75eB9qrP7hZZoiEOPIcJ8oihR0G.jpg)
![Sun-ho Meets Dong-man Again](https://image.tmdb.org/t/p/w300/6TtW1z5eYEERiTfugsePrKDBRBN.jpg)
![Nothing Is Impossible](https://image.tmdb.org/t/p/w300/q3o7pl7fejy8PRHMj2ko04Ahw27.jpg)
![No Hard Evidence](https://image.tmdb.org/t/p/w300/4RTzl2gbBRi2d8CaNMjaUmeSiRE.jpg)
![The Duo](https://image.tmdb.org/t/p/w300/zKLaPJ14ThLSMcr92VtqXvb7Kmg.jpg)
![The Blackout](https://image.tmdb.org/t/p/w300/oEqZF2bRK7i3rV5fCGjoXiKw3Qp.jpg)
![The Disappointment](https://image.tmdb.org/t/p/w300/7dBdxF7ecVgFJVyUdcHNdVhuBkl.jpg)
![The Culprit](https://image.tmdb.org/t/p/w300/4Eb8oJxbMZt8MGoyNJHseyOnORN.jpg)
![The Confession](https://image.tmdb.org/t/p/w300/2SwLwIgeV5hrL0KwynBCeCJCyGM.jpg)
![Sun-ho’s Investigation Team](https://image.tmdb.org/t/p/w300/vqQUwT9miFtUB1nLP6WY764TBQP.jpg)
![The Case Closed](https://image.tmdb.org/t/p/w300/ZbxyqhJ1jVSuz4GsGPeakbKqWK.jpg)
![The Enemy Within](https://image.tmdb.org/t/p/w300/npSUkXtP8JZIWD6vsKBrcAUg1cF.jpg)
![Sun-ho’s Counterattack](https://image.tmdb.org/t/p/w300/63zJu1ZmEfRko5wdRngE0r9fnbv.jpg)
![The Ledger](https://image.tmdb.org/t/p/w300/jzWuTMP2bpUvO7FTXRbydoEb5tG.jpg)
![The Head Operator Of The Zelkov](https://image.tmdb.org/t/p/w300/fWLysti3jxvx3RTviHzpK4FrTc4.jpg)
![The Hacker Sun-ho](https://image.tmdb.org/t/p/w300/qQhumRzlQrJgjY5tWpATZ0JcMPE.jpg)
Sun-ho and his friends track the location of the burner phone. The professors step in to protect their students from further danger.