Hetty has a surprise visitor with important news, but can she meet him without getting caught?

Hetty, on the run in London, is shocked to discover an old friend in the workhouse. Back at Calendar Hall, the gang have a plan to prove Hetty is innocent and that Ambrose is the real thief.

Hetty starts her new life in a grand country house but is immediately drawn into a world of mystery. And a London gang are searching for her, too.

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?

Hetty plans to rescue a kidnapped girl, leading to a final confrontation with her old enemy.

Hetty makes a daring escape. She soon learns the streets of London are a dangerous place - how will she survive?

Will Hetty find the secret book that could bring Matron's downfall? And why are so many of the foundlings falling ill?

Hetty and the gang play a prank on Sheila, but it has disastrous consequences when a young visitor with a secret arrives to stay at Calendar Hall.

Hetty is shocked when she discovers that Matron has sinister plans for her future. But how can Hetty stop Matron when she's locked in a cellar?

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.

Special visitors to the hospital are caught up in a fight among the boys, while Hetty tries to discover what Matron has planned for her.

Hetty and the gang race back to Calendar Hall to stop Ambrose before anyone gets hurt, and to discover the truth about what really happened at the house.

Hetty discovers that others are planning a daring visit. Meanwhile, Vince blackmails Nurse Winterson to get special treatment.

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.

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

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 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.

With Hetty framed by Sheila and locked up by Matron it looks like she won't get the escape letter to Matthias in time for their midnight breakout.

It's Hetty and Gideon's borrowed birthday but how can Hetty celebrate with her brother when girls are not even allowed to mix with the boys?

Mathias is back and a shadow of his former fearless self. With the hospital on lockdown in order to mass-produce toys that are supposedly earmarked for charity, the children start falling ill.

Matron's sister arrives to deliver bad news about her mother. Hetty's feisty little borrowed sister Eliza arrives at the hospital and, like Hetty, clashes with Matron.

Kindly nurse Winterson is sacked by Matron so Hetty convinces the children to go on strike. Will Matron capitulate before the choir debut their new anthem in order to win a £100 donation for the school's organ?

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.

A distraught couple come to the hospital to reclaim their child. Gideon plans on escaping in search of his parents, but Vince and Judd have other plans.

It is open day at the hospital, and Matron tasks Hetty with looking after Lord Upton's snooty daughter Charlotte. Matron has plans to send Hetty to India as Charlotte's maid.