Alex Lapierre, a professional assassin nicknamed "the Shepherd," decides to put away his gun and start a new life. However, Lewis, head of the organization that employs him, entrusts him with one final mission: to ensure the protection of an old friends daughter, an African minister under the imminent threat of kidnapping.

Alex Lapierre was once a professional assassin. He now leads a peaceful existence, far removed from his tumultuous past. However, the past never stays buried for long.