4 steps to heaven

A young guy named Leon Burnhard, lived in a fairly wealthy family of businessmen and every year they went on vacation, but this time an accident happened. It started raining heavily, a taxi was driving through the mountains with this family, but fate was not on their side and an avalanche fell on them. What will happen and what fate is in store for our main character?
(author's note: this is my first book and therefore there will be big mistakes! I hope that you will point them out to me. And the cover is not mine, if the artist wants me to take it off, I'll take it off)