 When Jack Robinson (James Keach) gets a new job in Australia, he decides to take his wife Anna (Jane Seymour), sons Shane (John Mallory Asher) and Todd (Blake Bashoff) and daughter Elisabeth 'Lizzy' (Jamie Renée Smith) by sailing yacht from Hong Kong to Sydney.Elisabeth begins keeping an online journal of their trip.Jack's employer Sheldon Blake (David Carradine) gives him a gun for protection before the trip.