Brian Guerin delivers a powerful sermon titled 'Signs of the Times,' emphasizing the urgency of spiritual awakening and the need for purity among believers. He shares prophetic dreams that reveal an increase in darkness and the imminent filling of God's temple with His glory, urging the congregation to prepare their hearts and lives for this divine encounter. Guerin highlights the importance of intimacy with God and the necessity of casting off anything that hinders our relationship with Him, encouraging a return to the basics of faith and reliance on the Holy Spirit. He calls for a deeper understanding of the fear of the Lord and the beauty of purity, reminding the audience that God desires to use them as vessels of honor in these critical times.