The girls are invited to the farm by Mia's grandparents because the mare Mona is about to have her foal – and the five friends definitely don't want to miss that! However, the city girls find it quite challenging in the countryside: First, Olivia accidentally drives into the neighbor's barn, and then both Stephanie and Mia fall for the sweet neighbor boy, Martin. This could get interesting! The others are puzzled: Will the friendship between the two break apart because of the dispute? And what can the girls do to raise enough money for the barn repairs?.