Twelve-year-old Sam, a passenger on the Titanic's maiden sea voyage, volunteers to help care for the dogs in the ocean liner's kennel and becomes fast friends with the Irish setter of J. Bruce Ismay, the ship's owner.
Ten-year-old Abbie, bullied at school for being small, wants to get a big black dog, but two months of living with a little Yorkshire terrier changes his mind about a number of things.
A boy who has signed on as cabin boy aboard the Titanic helps ready the ship for its maiden voyage, but when it is time to set sail and he cannot find the ship's cat on board, he leaves the vessel to search for her.
