 Gridley wins the love of the native cave-woman Jana, the Red Flower of Zoram.Eventually everyone is reunited, and the party succeeds in rescuing Innes.As Tarzan and the others prepare to return home, Gridley decides to stay to search for Frederich Wilhelm Eric von Mendeldorf and von Horst, one last member of the expedition who remains lost (The missing von Horst's adventures are told in a sequel, "Back to the Stone Age", which does not involve either Gridley or Tarzan).