The much anticipated six part comedy, written by Indian Summers and screenwriter Lisa McGee, is based on Lisa's own experiences as a teenager. It follows 16-year-old Erin and her friends, who living through the Troubles, where teenage life still goes on. Read: 'Derry Girls' vocabulary released ahead of Channel 4 debut Derry Girls writer wants city’s seal of approval Derry Girls trailer released Nadine Coyle Popstars tape helped Derry Girls actress for audition