Louisa opens a new boarding house, but the arrival of a mysterious guest places it under police scrutiny. Gerry announces plans to open his own zoo. Margo struggles to find clients for her beauty treatments.
The future looks bright for the eccentric Durrells. Louisa turns the family villa into a guest house and cousin Basil moves in. Larry enjoys love with two ballerinas, Leslie throws himself into his job, and Gerry and Margo have business ambitions.