Laura's wealthy American husband Michael T Farrell III turns up at Whitbury Leisure Centre to apply for a job as junior pool attendant. Helen Brittas gets into deep water when she is spotted at a restaurant drinking champagne with her lawyer. However, a cleverly concocted story about a surprise birthday party for Carole almost saves the day.

Brittas insists on. compulsory urine drug tests for all his staff at the Whitbury Leisure Centre. However, the results would seem to reveal that Carole has been made pregnant by Colin after drinking a cocktail of hallucinogenic gases.