Hetty searches the streets of London for Ida, not realising Matron has her own plans to find her. Will the police reach Hetty first, before Matron's friend gets rid of her forever?

Hetty helps a street girl who breaks into the hospital looking for safety. However, they are unaware that Matron has her own reasons to find the young girl first.

Hetty is forced to cover when Rosamund goes missing on the day of the christening, while Gideon and Jack find themselves in muddy trouble. Mrs Brody takes control of the house.

A new arrival at the Hall threatens Agnes and Sheila's jobs while Gideon falls out with Emily. Sheila struggles looking after Constance and Jack helps Edwin overcome his fears.

Hetty steels herself to face her old enemy, while Lady Grenford introduces the family to her handsome young grandson, Robert. Emily is excited when a suffragist visits the house.

Agnes's job is put at risk when her family secret is revealed, while Emily argues with her father about her future. Jack thinks Gideon has betrayed him.

Hetty and Gideon are shocked when a figure from their past turns up unexpectedly, while Lizzie is terrified by the story of a savage wolf boy on the grounds. A mysterious new tutor arrives for the children.

It's the day of the fair and Gideon makes a surprising discovery about Jack, while Hetty realises Mrs Brody is out to get her. Sheila and Constance battle to become the Festival Queen.

Jack has a romantic proposal in mind, but a new butler spells trouble for the gang, while Ashok reveals his secret – a priceless diamond hidden in Calendar Hall.

The gang follow clues as they search for the Dawn Star, not realising that Ambrose is looking for it, too. Rosamund surprises everyone when she brings an old enemy back to the house.

Hetty and the gang find crucial clues to the Dawn Star, although Flo and Ambrose are now watching them closely and Lady Grenford appears to know more about the diamond than she is letting on.

Lizzie discovers a secret tunnel with a clue, while the gang races Ambrose to find the jewel, and Hetty fears that Ashok is growing too friendly with Lady Grenford.

The gang realise they need to break through a wall to get to the jewel – but can they do it without being discovered? And what will Agnes do when she finds out Gideon’s been lying to her?

The gang are in danger when Rosamund leaves Lady Grenford and Ambrose in charge. Hetty finally cracks the code - but can the gang get to the Dawn Star in time?

The gang are stunned when Hetty is accused of stealing the Dawn Star, and a fire in the barn leads to a dramatic escape.

Part one of a musical special. It's Christmas Eve and Hetty and Gideon are on a charity mission to London when they are caught up in a street gang that is run by Hetty's oldest, most frightening enemy.

Hetty finds herself in the firing line when tragedy strikes Calendar Hall. When she is forced to leave, old friends arrive with a wedding to plan - but how can Hetty help them?

Now on the streets, Hetty is shocked when she discovers her greatest enemy in a desperate situation. Meanwhile, back at Calendar Hall, Harriet and Mathias’ wedding plans hit crisis point.

Now in great danger, Hetty needs all her strength and savviness to save Matron and help bring together the Calendar family and all her Foundling friends.

Hetty is amazed to get some very unexpected help as she writes her life story and looks back on her experience as a Foundling and a servant.

Hetty continues to write the story looking back on her life, while others face life-changing decisions of their own.

Hetty Feather and her little brother Gideon are forced to leave their 'borrowed' family and return to the Foundling Hospital, which fearsome Matron rules with an iron fist.

Part two of a musical special. It's Christmas Eve and Hetty and Gideon are on a charity mission to London when they are caught up in a street gang that is run by Hetty's oldest, most frightening enemy.

Hetty and Sheila are forced to work together in the infirmary. The boys compete in a series of gruelling army tests in order to win a place as a drummer boy in the army.

Hetty's plan to help Nurse Winterson backfires when an innocent man is accused of theft.