Jack Van Impe emphasizes the urgent need for America to turn back to God amidst rising sin and moral decay, warning that without a revival, the nation faces imminent judgment. He cites biblical prophecies and current events to illustrate the potential for chaos and tribulation, urging listeners to accept Christ immediately for salvation. Van Impe stresses that the time for decision is now, as the coming of the Lord is near, and Christians must be prepared for the judgment of their works. He calls for a return to biblical truths and warns against the influences of secularism and immorality in society. The sermon concludes with an invitation for individuals to accept Jesus as their Savior.