After a loved-up month on holiday in South America, Cat and Sam arrive back in Glasgow with a colossal bump. It looks like Tess finally has it all: her first proper acting role, a fabulous new flat and a gorgeous girlfriend. Frankie and Tess are struggling with the rent for their new flat and go in search of a flatmate. Frankie bumps into her former flame Sadie and offloads her troubles onto her.