With one last thing weighing on his mind, is it even worth it to finish this final goal?! Meeting new people along the way helps, but will it benefit him or hinder him in the long run?

With one last thing weighing on his mind, is it even worth it to finish this final goal?! Meeting new people along the way helps, but will it benefit him or hinder him in the long run?

A drifter is trying to finish one last thing before he can leave this world with a clean conscience. In a post-apocalyptic world riddled with zombies and other perils, what will it actually take for him to obtain this one last goal?