Paul outlines his conversion experience and his calling from Jesus himself. This is to demonstrate his authority to preach the gospel. He explains his visit to the Apostles in Jerusalem and how they supported him in his ministry to the Gentiles.

The leaders of the church in Antioch send out Barnabas and Paul on a mission to the Gentiles. They go to Cyprus first and preach. The proconsul believes but there is spiritual opposition from Elymas the sorcerer. A miracle occurs.