Ten of the top female music artists from Korea gather to show what they got. We call them Good Girls, and instead of competing each other, they compete against the broadcasters, playing the Money Game.

The artists need to obtain the FLEX MONEY prize by performing on stage and impressing the judges from the broadcasting station. The artist who wins the money buys presents for her team members with the prize money.

In the best unit decision stage, artists show mesmerizing performances with unexpected charms on stage. Furthermore, the first mission is finally revealed.

The Good Girl crew compete against famous hip-hop labels Just Music and WEDAPLUGG, and their rounds are full of passion and skills. Meanwhile, the second mission's opponent is revealed.

Good Girls are nervous from their second opponents such as members from Ohmygirl, Hyorin and more competitive opponents. However, the girls try their best to show their skills as music artists.

After the successful climax of the second mission, the third mission is revealed, and the Good Girls are once again anxious to hear about their opponents.