Act III is a moment of great emotion for many characters in the play. In this act, we see Tybalt dying at the hands of Romeo and Romeo being vanished from Verona.
Lord Capulet shows his emotion after hearing about news of Tybalt. Moreover, he experiences worry when he sees how distraught Juliet is. Finally, he experiences intense anger when he learns that Juliet refuses to marry Paris.
The emotions of Lady Capulet mirror those of her husband to a great extent. Lady Capulet is also upset upon learning about the news of Tybalt. She is similarly upset at Juliet's reaction to her upcoming marriage. She refuses to defend or side with Juliet, and instead is resolved to continue with the planning of the wedding.