She takes on a disguise as Beroe, Semele's nurse, to enact her jealous hatred of Semele, made even stronger when she sees Semele's beauty. Planting seeds of doubt in Semele's mind, Juno (as Beroe) suggests that Semele might have been fooled, falsely wooed by an imposter. Semele entreats Beroe to help reveal the truth.
She assumes the role of Beroe, Semele's nurse, to manifest her bitter hatred towards Semele, which is amplified by her perception of Semele's stunning appearance. By planting seeds of skepticism in Semele's mind, Juno (as Beroe) proposes that Semele might have been misled, deceived by a false suitor. Semele requests Beroe to aid in revealing the truth.