In Michel Bussi's captivating novel, 'The Girl from Flight 5403', a catastrophic plane crash leaves only one survivor: a three-month-old infant. Two distinct families emerge, each vehemently claiming the baby as their own. This poignant struggle for identity is complicated by the miraculous survival of the child amidst the tragic loss of all other passengers. Forensic experts and seasoned detectives embark on an impossible mission to ascertain the baby's true lineage, navigating a labyrinth of secrets, deception, and desperate hope. This enthralling mystery delves deep into human resilience, the complexities of identity, and the extraordinary lengths families will go for love, keeping readers utterly gripped until the final, breathtaking revelation. The case quickly becomes a national obsession, pushing investigators to their absolute limits to uncover the truth behind the sole miracle survivor.