Sassy, Go Go - Season 1 (2015)

Cheer practice begins, but the team is put through more physical punishment than actual training. Yeon Doo and Yeol bond on a day out, upsetting Dong Jae.

Yeon Doo has trouble remembering the cheer team's drunken night in. Principal Choi cracks down on finding the staff member leaking Sevit High's dirty secrets.

Soo Ah and her friends have Teacher Yang wrongly accused of inappropriate behavior, and the corrupt principal and parents are grateful for an opportunity to have him fired.

It's exam season and the students are studying their hardest to improve their rankings. Soo Ah is determined to take Yeol's top spot by any means necessary.

Yeon Doo and Ha Joon work together to prove Yeol's innocence. The cheerleading team goes on a camping trip prior to competing at regionals.

Soo Ah finds herself at wit's end as Yeol threatens to expose her, and she must find a way to protect her ranking, no matter what.

Soo Ah breaks down after her actions land Yeol in the hospital, and her classmates worry that her remorse might lead her to do something extreme.

Ha Joon regrets not having confessed his feelings to Yeon Doo earlier on. Yeol, Yeon Doo, and their parents must figure out what to do when their relationships are revealed.

In the final episode, the cheerleading team must find a way to compete at regionals, save their friendships, their relationships, and for some, their lives.