The Ghost Café

It's WW3, and the world is at war. In the city of Chicago, Victoria Babel is trying to enter a bomb shelter with her little sister when they run out of room. In an act of sisterhood, she gives up her spot for her sister and dies to the bombs. She awakens only to find the city destroyed, and her a ghost. She wanders until she finds a café for beings like her, and is happy without a care in the world for 200 yrs before meeting a girl named Vivian Wolfhood, a girl who can see ghosts. As the world threatens to destroy itself again, she decides to join Vivian to not only safe the world, but her little café.