It's an explosive Christmas Day in Albert Square and for one resident, it will be their last. As shocking truths come to light, families go to extreme measures to protect those they love forcing residents to turn on one another. With families at war, it's not long before people get caught in the crossfire leading to devastating consequences set to change the Square forever.
Over at the Beales', Ian is determined to have the perfect Christmas for Kathy and surprises Jane with her present - a new car. However Ian's plans are quickly faltered when Jane reveals some worrying news which could tear their family apart. As the Mitchells and Beales sit down for Christmas dinner, both families struggle to control their emotions. With Jane and Ian desperate to protect Bobby and Sharon determined to keep her own family safe, the two families soon find themselves at each other’s throats threatening to destroy relationships forever. As the tensions step up amongst the adults, little do they know that the hostilities between Bobby and Dennis are increasing at an alarming speed which triggers off a catalogue of incidents leaving lives hanging in the balance…
Following the birth of her son, Stacey returns home but Kush and Carmel quickly grow paranoid and wonder if a distracted Shabnam has discovered the truth about Kush being the father. With secrets rife, Shabnam eventually confronts Stacey but what does she know and will Stacey come clean? Later on, Stacey receives a surprise visit from Kat.
With recent events on her mind, Ronnie tries to enjoy Christmas Day and put the dangerous feud behind her. However, her day is thrown into panic when she learns some alarming news with disastrous consequences.
Elsewhere, Dean surprises Roxy with an engagement ring and a new flat away from the Square but he is left annoyed when Shirley, Buster and Jade head over to The Vic claiming they are just going for a drink. After the events of last year, the Carters are determined to have a happy Christmas and Mick surprises Linda and Shirley with touching presents.
With the help of her close friends and family, Dot decides to scatter Jim’s ashes in the Square.