When Sophia got free of the ropes (which took a while because they'd dried out in the hot sun and the knots had all tightened up), she vowed that she would take revenge on Fi for the indignity and humiliation.

With the assistance of the maybe-maybe-not-new-boyfriend (suitably wheedled into helping in the jolly wheeze by some strategic eyelash fluttering), Sophia soon had Fi tied up in the archway by the poolside and at her mercy.

Obviously a soaking with icy cold water had to be the first part of the revenge. But what could be a suitably humiliating parting shot? Perhaps baring her breasts, tying her up even more tightly and leaving her there for everyone in the whole resort to see?