Gomez Addams misses his brother Fester, who left 25 years earlier after they had a big fight. Gomez's lawyer, Tully Alford, owes money to Abigail Craven, and notices that her adopted son, Gordon, looks like Fester. Tully tells Gordon to pretend to be Fester to get close to the Addams family and find their riches. Tully and his wife, Margaret, join Grandmama to try to talk to Fester's ghost. Gordon arrives, pretending to be Fester, and Abigail tells the family Fester has been in the Bermuda Triangle.