Everyone on Earth is going to die at a very specific moment and it cannot be stopped. A pulse emanating from the Earth's core is going to end all human life on the planet. No other animal life will be touched.
You have unimaginable wealth, and manage to arrange for yourself and five others (including the pilot) to leave the planet and return the day after, when it's safe.
You had one year to prepare.
What's waiting for you when you return?
You're thirty years old and in excellent health. What arrangements did you make to survive this empty planet?