A Family At War
The Gate of the Year (1x5)
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Margaret is feeling the strain of living with John's Mother, and decides to pop home for the evening, as she has done often in the past. John gets an emergency posting overseas and has two hours before his train leaves. He arrives home after Margaret has gone out and because his mother pretends not to know where Margaret is goes abroad without seeing her and it is Edwin who tells him that Margaret is expecting a baby.