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River undercurrents are no joke! People tend to only fear the ocean undertow, but a strong river current can grab a full-grown man and drag him helplessly for miles or smash him into the rocks. Always be aware of where you swim and never try to fight against a strong current, my spooky recreational children!
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![Ep. 1 - Surveillance [I]](https://webtoons-static.pstatic.net/image/bg_transparency.png)
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![Ep. 1 - Surveillance [I]](https://mwebtoon-phinf.pstatic.net/20210309_36/1615228940741dl2l8_JPEG/1615228937285253210.jpg?type=q70)
![Ep. 2 - Surveillance [II]](https://mwebtoon-phinf.pstatic.net/20210309_71/1615228979057goaYN_JPEG/1615228979034253225.jpg?type=q70)
![Ep. 3 - Surveillance [III]](https://mwebtoon-phinf.pstatic.net/20210309_231/1615228998616QuTaS_JPEG/1615228998570253239.jpg?type=q70)
![Ep. 4 - Surveillance [IV]](https://mwebtoon-phinf.pstatic.net/20210309_283/1615245080709tPzDS_JPEG/1615245077155253249.jpg?type=q70)
![Ep. 5 - Surveillance [V]](https://mwebtoon-phinf.pstatic.net/20210309_271/1615245238456WUbN0_JPEG/1615245234901253259.jpg?type=q70)
![Ep. 6 - Marble House [I]](https://mwebtoon-phinf.pstatic.net/20210309_266/16152463952393vpU3_JPEG/1615246391760253268.jpg?type=q70)
![Ep. 7 - Marble House [II]](https://mwebtoon-phinf.pstatic.net/20210316_165/1615825872583R8n2c_JPEG/1615825868967253278.jpg?type=q70)
![Ep. 8 - Marble House [III]](https://mwebtoon-phinf.pstatic.net/20210323_246/1616438093223y38eq_JPEG/1616438089832253287.jpg?type=q70)
![Ep. 9 - Marble House [IV]](https://mwebtoon-phinf.pstatic.net/20210323_84/1616438768635vFG1F_JPEG/1616438765128253293.jpg?type=q70)
