The family plan a party to celebrate Gerry's 13th birthday, but things do not go to plan. When a plague of mosquitoes descends on them, they are forced to hold the party inside. Louisa struggles with the idea that her youngest son is growing up. Gerry becomes frustrated when he realises the infantile nature of his party. Unable to get into the party spirit, Spiros locks himself in a room to sing sad love songs alone - behaviour which concerns Louisa.