A corpse has 24 hours to mastermind a good deed without leaving his crypt, to go "up there" and have his youth restored.
The 1965 AIP film Ski Party (with Dwayne Hickman, Yvonne Craig, Lesley Gore and James Brown) is also notable for employing many of the same actors and schticks, only transplanted to a ski resort ...
a ghost, to stop his greedy lawyer, Reginald Ripper and his henchman J. Sinister Hulk from claiming his estate for themselves and protecting his eligible heirs, Chuck, Lili, Hiram's cousin Myrtle ...