After Larry discovers Aunt Hermione has died in her sleep she is given a bizarre memorial service organized by Margo before Louisa and Larry escort the body back to England. Leslie is shocked to learn that he has impregnated Daphne, one of his former girlfriends, and makes a compromise when her father demands a shotgun wedding though Margo finds herself succumbing to the persistent Zoltan.

Larry brings home a royal guest from a trip to Athens. Louisa is delighted to have a prince staying but finds herself with a less welcome guest - Captain Creech. Gerry has an interview with a local school that divides the two house-guests.

Wanting to avoid his depressingly empty house, Spiros spends most of his time at the Durrells' home. Louisa is not complaining, she just wants him to be happy and the two become closer. In the town, Larry meets Elena, a beautiful, exotic young woman who, along with her friend, the bearded woman, happen to be part of the travelling circus. Elena reveals she is a contortionist and after she performs some of her moves, Larry falls quickly in love. Keen to get involved, Louisa and Spiros help the circus drum up business whilst Margo starts to rehearse a very risky act and Gerry makes sure the animals are being treated well. With the magic of the circus rubbing off on the whole family, will it work its charm on Louisa and Spiros?

Louisa finds herself fending off unexpected romantic advances. Leslie's arranged hunt for new guest, Colonel Ribbindane, doesn't quite go to plan when his past revisits him. Theo acquires a surprising housemate.