The lesson focuses on understanding salvation and the consequences of sin. The speaker, Kyle, shares his personal journey to faith and introduces a systematic method for studying the Bible. The study emphasizes that the Bible is the source of truth and encourages participants to develop a “truth column” by examining Scripture. The lesson discusses the nature of sin, the need for salvation, and the concept of spiritual death versus life through Christ. Various Bible verses are explored to explain the significance of salvation, the wrath of God, and eternal life.