The followers of Jesus started telling everyone that he was alive! They told others that Jesus welcomes those who will follow and obey him. They were excited that their Lord was going to return and set up his kingdom.
These stories tell how this good news became relevant to non-Jews and spread throughout the world. This set of stories also incorporates the letters of Paul that were written during the time of the book of Acts.
The entire series ends with the vision the apostle John had of the new heaven and the new earth, where there will be no more death or sorrow or crying or pain.