Given the question: Build a movie plot around this: What did Tully and Margaret attend at the Addams home? A seance
The answer is:
Gomez Addams laments the 25-year absence of his brother Fester, who disappeared after the two had a falling-out. Gomez's lawyer Tully Alford owes money to loan shark Abigail Craven, and notices that her son Gordon closely resembles Fester. Tully proposes that Gordon pose as Fester to infiltrate the Addams household and find the hidden vault where they keep their vast riches. Tully and his wife Margaret attend a seance at the Addams home led by Grandmama in which the family tries to contact Fester's spirit. Gordon arrives, posing as Fester, while Abigail poses as psychiatrist Dr. Pinder-Schloss and tells the family that Fester had been lost in the Bermuda Triangle for the past 25 years.Gomez, overjoyed to have Fester back, takes him to the family vault to view home movies from their childhood. Gordon learns the reason for the brothers' falling-out: Gomez was jealous of Fester's success with women, and wooed the conjoined twins Flora and Fauna Amor away from him out of envy. Gomez starts to suspect that "Fester" is an impostor when he is unable to recall important details about their past. Gordon attempts to return to the vault, but is unable to get past a booby trap. Gomez's wife Morticia reminds "Fester" of the importance of family amongst the Addamses and of their vengeance against those who cross them. Fearing that the family is getting wise to their con, Abigail (under the guise of Dr. Pinder-Schloss) convinces Gomez that his suspicions are due to displacement.Gordon grows closer to the Addams family, particularly the children Wednesday and Pugsley, whom he helps to prepare a swordplay sequence for a school play. The Addamses throw a large party with their extended family and friends to celebrate Fester's return, during which Abigail plans to break into the vault. Wednesday overhears Abigail and Gordon discussing their scheme, and escapes them by hiding in the family cemetery. Tully learns that Fester, as the eldest brother, is the executor of the Addams estate and therefore technically owns the entire...