Delilah considers her chances of success. Samson arrives to say farewell. He plans to lead the Hebrew revolt. Delilah tells Samson that she loves him. He admits that he loves her. They sing rapturously. Delilah wants to know the secret of his strength. Samson will not tell her. She weeps and runs into her house. Samson follows. She learns the secret of his strength. She calls to Philistine soldiers hiding nearby. They capture Samson and blind him.