Grace does her best to stand in the way of young love when Euan formally requests Josie's hand in marriage. Euan tries to blackmail Grace into giving her blessing, forcing Grace to resort to desperate measures. There's only one thing she can do to stop the wedding, but it will change her life forever. Stella and Stevie are loved-up as they try to make a baby, but a challenging request from a depressed Dan threatens their happiness.