The video walkthrough shows how to complete the San Celini Island story mission featured in Sniper Elite 4 on Xbox One, PlayStation 4 and PC.The full Sniper Elite 4 Walkthrough will feature the entire Single Player, all Missions, Side Missions, Collectibles, Last Letters, Letters from Home, Letters to Home, Sniper https://www.youtube.com/watch?v=Wn5Cix4Svh0