The Capulet family organizes an annual masquerade ball. On it, along with friends, is Romeo Montague, hiding his face under a mask. There he sees Juliet Capulet, who also pays attention to him. The characters immediately fall in love with each other.
That night, Romeo comes to Juliet's balcony. Lovers confess their feelings to each other. Although the girl is engaged to a relative of the local influential prince, she and Romeo are secretly married.
The protagonist, along with his comrades, meets one of the Capulets in the town square. After an altercation, a fight breaks out between them. Juliet's relative mortally wounds one of Romeo's friends and runs away. The protagonist catches up with the killer and kills him on the spot. Romeo is forced to leave the city, because he faces execution for violating the truce. Before running away, the young man spends the night with his beloved.
Juliet's mother announces her daughter's imminent wedding. To reunite with her beloved, the girl follows the advice of the clergyman who married her to Romeo. She takes a drug that puts her into a long sleep. The girl's parents think she is dead and take her to the family crypt.
Romeo learns about the death of his beloved, buys poison and comes to where Juliet lies. There the hero meets her fiancé. As a result of a short battle, Romeo kills an opponent. After he drinks the poison he bought. When the girl wakes up, she sees a dead fiance and a loved one. Juliet stabs herself with a dagger and dies. The common grief puts an end to the long-term enmity between the Montague and the Capulets.