After drinking too much sherry and port at Professor Stokes' home - where a tasteful game of three-handed bridge degenerates into a raunchy round of strip poker, Barnabas and Julia stop off at the Collins mausoleum, where Barnabas slyly suggests, "I've always wanted to do it in the secret room!"
In the sober light of day, the insatiable couple realize their overdue passion was not just the result of alcohol abundance, whereupon Julia slyly suggests, "I've always wanted to do it in the gazebo!" And off they go...