Louisa throws herself into running her boarding house, but mysterious guest Lazaros Vangelatos places the villa under police scrutiny.

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.

With the house guests getting ever more rowdy, Louisa worries about the villa's reputation. Margo finds a surprising way to bond with Maud, while Gerry realises he has feelings for Galini.