“Today Christ calls us to agree with Him and follow Him on the path which transforms all our existence” (Pope Francis). The first transformation takes place through Baptism. Baptism pardons all our sins both original and personal. However, forgiveness of the original sin remains a controversial truth of faith. Pope Benedict XVI said that “original sin is usually hard to understand” and therefore talking about original sin is a way to say that salvation is primarily universal and not individual. In order to more fully understand what happens at Baptism, this article overviews Biblical aspects of the original sin, development of the doctrine of the original sin in the history of the Church and consequences of the primordial sin. It is also revealed what Baptism does to the original sin.