In this sermon, the speaker recounts the story of a young university graduate who passionately preached against social injustices in open-air meetings. Many people gathered to hear him speak out against injustice. However, tragedy struck when he and another person were shot and killed in broad daylight by unknown assailants. The speaker emphasizes the need for prayer and spiritual warfare in addressing the problems and battles faced by society. They highlight the importance of using the weapons of prayer and intercession to tear down strongholds and bring people to obedience to the Lord Jesus Christ.