Basil invites some 老友记 for a surprise wedding anniversary party, but Sybil assumes he has forgotten their anniversary and storms off, leaving her husband and Polly, in disguise, desperately telling the others she is 'ill'...
A psychiatrist and his wife — also a doctor — come to the hotel for a weekend break, and cannot help but notice the eccentricities of their host, who is perturbed when he discovers their professions.
