After overhearing a shocking secret, precocious orphan Lyra Belacqua trades her carefree existence roaming the halls of Jordan College for an otherworldly adventure in the far North, unaware that it's part of her destiny.

This series sees the introduction of a new cast; it follows the lives of the third generation of characters, which consists of Franky Fitzgerald, Rich Hardbeck, Mini McGuinness, Liv Malone, Alo Creevey, and brothers Nick and Matty Levan.

When 13 year old Maria Merryweather's father dies, leaving her orphaned and homeless, she is forced to leave her luxurious London life to go and live with Sir Benjamin, an eccentric uncle she didn't know she had, at the mysterious Moonacre Manor.

Like the previous series, it follows the lives of the third generation of characters, which consists of Franky Fitzgerald, Rich Hardbeck, Mini McGuinness, Liv Malone, Alo Creevey, brothers Nick and Matty Levan, and new character Alex Henley.