Isabella is back! And she certainly has some deliberating to do. She owes her success to her agent, Mimi. But Issy is having serious doubts about Mimi's integrity. Meanwhile frenemy Lavinia has reappeared in her life, there are ever tougher playground 'situations', questions about her aristocratic family line and bumps in the road of her fledgling new relationship. Plus – of course! – ex-hubby Johnnie is being his usual ghastly self.