"When her mother, a flight attendant, disappears, leaving her the order to flee and an instruction, Lana Blum is only sure of one thing: her life is in danger. As the cogs of a terrible conspiracy come to life, the teenager tracks every clue left by her mother. From airport to airport, across Europe, helped by a hacker called Creep, Lana goes back to the source of an unthinkable truth" -- Amazon.