The Sacrament of Reconciliation (aka Confession, Penance) is a gift. It is the gift of God's forgiveness made possible by the Crucifixion. God is eager to forgive us. This Sacrament is God's expression of his forgiveness. Here are some booklets and a video on this sacrament.
The Sacrament of Reconciliation: Part I: The Gift of the Sacrament
Resource Material
The Sacrament of Reconciliation: Part II: Celebrating the Sacrament
Resource Material
For Further Reading