In order to resist temptation, Mariana and her girlfriends try their best to control everything and everyone around them. However, the day will come when the urge to scream will be stronger than it ever has been.
Andréa, a poor telemarketing salesgirl, dreams of being a singer. Her rich boyfriend Fred hires a musical producer, Marcelo, to turn her into a star. But she and Marcelo end up falling in love.