Midsummer Madness follows the fortunes of talented actress, Sophie Gresham, as she struggles with the secret she is desperate to hide from her theatre company. Sophie is shocked when she realises that Joe Harrison, their tough guest producer from New York, is in fact the penniless actor she once helped out in the days when she had more heart than sense. When Sophie is catapulted into a dazzling new television career, Joe Harrison proves himself useful, but not in the way that Sophie might have imagined.