Tragedy strikes when you least expect it. Some things can just really break you, deep down inside.
Some things, you feel like you can never fully recover from. You just want to run away from all of it; you want to go back.
The gears have already been set in motion.
The basic premise of the game would be following along the journey of someone and their traveling companion as they visit (and revisit) different important places from their past. It'd be a story about dealing with loss, guilt, reflection and introspection.