Saint Christopher depicts the constant struggle between good and evil, with definitive religious implications, embodied in a young man battling his destructive forces in order to fulfill his destiny. Charismatic Christopher Doogan has lead a troubled life. As he returns home from prison hoping to put the pies of his life back together and atone for his past mistakes, he discovers that his destiny is irrevocably intertwined with his reckless past. Refusing to give up Christopher finds strength to move on in unexpected places.

Christopher returns to his hometown in order to make up for past transgressions and start again, but he soon finds himself falling back into old habits and has to struggle to regain some level of goodness when everyone, especially himself, sees only the bad.