This sermon concludes the Acts series by examining the mysterious deaths of Ananias and Sapphira (Acts 5:1-11). The preacher explores three suspects—the world (Peter), sin, or Satan—but concludes the true killer is secondary. The main takeaway is the resulting "great fear" that seized the church, leading to explosive growth. This fear is interpreted as the Fear of God: a profound realization that we, too, are broken and deserve judgment, thus desperately needing a Saviour. The sermon challenges the congregation, asserting that revival begins with God's purification and judgment of His Church's sin and hypocrisy.