Baekyeon Girls’ High School goes on a school retreat. While practising diving, someone pushes Ha Rin into the water and Ja Yeon jumps in to save her. The next day, Class Five plays a
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Baekyeon Girls’ High School goes on a school retreat. While practising diving, someone pushes Ha Rin into the water and Ja Yeon jumps in to save her. The next day, Class Five plays a survival game using paint guns. The last five standing, Soo Ji, Ja Eun, Jae Hyung, Eun Jung, and Ji Ae are in danger of ending up in Grade F.