In 1945, a fire tore through the home of George and Jennie Sodder. Four children escaped; five vanished.

Margaret Profet, evolutionary biologist and MacArthur grant recipient, disappeared in 2005. She has neither been seen nor heard from since.

An investigation into the disappearance of a 24-year-old British cruise ship activity director from the Disney Wonder opens the strange and insular world of cruise employees, who vanish mysteriously at alarming rates.