Louise McNeill arrives home to the idyllic Irish town of Ballyfergus, hoping that it will provide the sanctuary she desperately craves. As she starts over with her three-year-old son, Louise’s heart is full of apprehension. To make matters worse, her sister Joanne seems far from happy as she watches Louise’s little family blossom. But as Joanne grapples with her "perfect" marriage, is everything as tranquil as it seems? Meanwhile, Louise’s youngest sister Sian has decided she doesn’t want children as she and fiance Andy want to dedicate themselves to ecological living. But is this a mask to disguise a bigger issue. And is Andy really on board with all of Sian’s plans?