Berkeley Square (TV Series 1998) | When the Bough Breaks (Episode 6)

Episode 6: Hannah finds baby Charlie dead in his cot. After Nanny Simmons goes to attack Bertie and blames him for Charlie's death, Hannah sends her down to tell the family that the baby has died but she disappears. Bertie, not wanting Hannah to leave, suggests swapping Charlie for Billy. Hannah, stunned at first, agrees and leaves Bertie with Matty while she goes to collect Billy. Mrs. Bronowski assures her she will properly dispose of the infant's body and buries him in the small yard behind her house. Hugh is attacked by Matty's brother in revenge for his behaviour to Lydia. Matty discovers Ned is wanted for murder and that "baby Charlie" is actually Hannah's illegitimate son.

Episode 7: https://rumble.com/v6k6did-berkeley-square-tv-series-1998-gone-ahunting-episode-7.html