This is the intro for Living Hope Bryan's fall series through the book of Galatians. The idea behind it is that we are all slaves to something, whether or not we acknowledge it. However, when Christ reveals to us our state as slaves to sin we are offered the opportunity to go with him and be free from not only the penalty of sin, but sin itself.
This is a call to unbelievers to repent and believe the Gospel and trust in Christ alone and his finished work as their only hope for forgiveness and reconciliation with a Holy God.
It is also a call to believers to live free from that which we were formerly, but are no longer slaves to in Christ!