There's a big festive surprise for Mary when her son turns up in Weatherfield

Christmas dinner can often be a tense time, especially if the turkey is undercooked or there aren’t enough roast potatoes to go round. But there’s a shock of seismic proportions awaiting Mary when she sits down to tuck into her festive fare this year – the arrival of her son. And it’s not long before she’s contemplating a life-changing decision…