Whenever Enid writes one of her best-selling novels, she adopts a domestic pet as a companion, sends her husband away and retreats to her converted lighthouse. This time there is a difference - her adopted "pet" is Terri, her husband's PA. Chained up, but with plenty of home comforts, Terri is desperate to escape initally.Then she settles into the odd ménage consisting of herself, Enid and the eccentric vicar, Ronnie. Dependence, obsession, redemption and retribution are all themes of this unusual and observant comedy.