In a dimly lit bar, the rhythm of a cavaquinho sets the stage for a steamy encounter. A frustrated wife, "gostosa" as they say in Brazil, decides to take matters into her own hands, or rather, onto her husband's best friend's cock. She's tired of her husband's infidelity, so she invites his friend, a talented musician, over for a drink. As he strums the cavaquinho, her lust grows, and soon, she's grinding on him, her anger morphing into a raw, passionate fuck. The music fills the air, the smell of sex intertwines with the scent of rum, and the sound of her ragged breaths mixes with the twang of the cavaquinho strings.