In the beginning, Parris discovers Abigail dancing in the woods with her friends. He doesn't reveal it at first because he feels her behavior can ruin him. However it eventually comes out after Hale comes to town. Abigail in turn blames everything on Tituba.
Later in the play, he reveals that Abigail and Mercy Lewis have run away and that Abigail stole from him.
Parris summoned the two judges back to Salem because his niece, Abigail, and Mercy Lewis have vanished after robbing him of all of his money. Parris believes the girls may have been frightened by the rumors of the rebellion in Andover against the court.