The document is a letter from Simon Peter to Christians. Peter encourages Christians to grow in their faith and knowledge of God through Jesus Christ. He warns of false teachers who will try to lead people astray with destructive beliefs. Peter describes how God punishes the ungodly but rescues believers, and says Christians should live holy lives as they await Christ's promised return. They must not listen to scoffers who claim Christ has not returned as promised. Instead, Christians should continue to follow the teachings of prophets and apostles like Paul as they wait patiently for the new heavens and earth to come.