In "Cheer Up" episode 10, as a reward for their teamwork, Theia members all went on a trip, but the sudden shift of events made it more complicated for Jin Sun Ho, Do Hae Yi, and Park Jung Woo.

'Cheer Up' Episode 10: Jin Sun Ho's Mom Meets Do Hae Yi

Though unfortunate things happened before their long-awaited performance at the university festival, Theia members stayed calm amidst the pressure on the team.

After the spectacle performance, Park Jung Woo left the venue and immediately looked for the culprit who kept sending the team threats. Tae Cho Hee (Jang Gyu Ri) and Yoo Min (Park Bo Yeon) followed him to find the culprit, but they failed.

Back in the university, Kim Jin Il was busted by one of his co-members for sending the video threat to the Theia squad.

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Shai Collins wrote this.