Ju Kyung comes back to school and makes up with Soo Ah. Everyone at school finally finds out that Soo Jin was the one who uploaded the photos and videos of Ju Kyung being bullied. Meanwhile, Soo Ho and Ju Kyung go on a trip to the sea, but Soo Ho forgets to bring his cell phone. Seo Jun desperately tries to reach Soo Ho.

Cast: Moon Ga-young, Cha Eun-Woo, Hwang In-Yeop, Yoo-na Park, Oh Eui-Sik, Park Ho-San, Lee Il-Jun, Hye-jin Jang, Hye-Won Jeon, Jun-ho Jeong, Yoo Ji-Soo, Yeo Joo-Ha, Min Ah Kang, Kim Min-Ki, Yeong-soo Park