Ep 3. The Vault of Secrets, Part 1

Sarah Jane and her gang are back with more thrilling adventures in the fourth season, and in episode three, titled The Vault of Secrets, Part 1, they find themselves caught up in a mysterious situation that promises to challenge their detective skills and put their lives in jeopardy.

The episode begins with Sarah Jane, Luke, Clyde and Rani visiting the International Gallery, where a new exhibition is about to be unveiled. They are greeted by the Deputy Curator, Ethan, who seems to be uneasy and anxious about something. As they prepare to view the paintings, they are suddenly interrupted by a group of robbers who break into the Gallery and make off with an ancient Egyptian artefact.

Determined to catch the thieves and recover the stolen object, Sarah Jane and her team begin their investigation with the help of Mr Smith, the supercomputer. They soon discover that the artefact is a key to a secret vault which has been hidden in the Gallery for centuries. The vault is said to contain amazing treasures and also a terrible secret that could do harm if it falls into the wrong hands.

As they delve deeper into the mystery, they realize that the robbery was not a spontaneous event, but a well-planned and orchestrated operation. They come across an underground scene of auction houses and black markets where stolen artefacts are sold for huge sums of money, and realize that they are dealing with a dangerous criminal network that will stop at nothing to get what it wants.

The team is determined to unravel the mystery and stop the robbers before they can unlock the vault and unleash its secrets. They use all their skills and resources, including gadgets and devices from the attic, and their ingenuity, to track down the criminals, uncover their identities, and foil their plans.

Meanwhile, they come across a young boy, who seems to have witnessed the robbery and can provide vital information about the thieves. He is a sweet, shy and quiet boy who has a way with puzzles and codes, and becomes a crucial part of the team as they try to solve the mystery and crack the code to the vault.

The episode ends on a nail-biting cliffhanger, as Sarah Jane and her team face a new challenge that puts them in grave danger. With their lives at stake, they must use all their wits and skills to survive and emerge victorious.

The Vault of Secrets, Part 1 is a gripping and thrilling episode full of mystery, suspense, and adventure. It is a must-watch for all fans of the Sarah Jane Adventures, as it showcases the incredible talent and chemistry of the cast and crew, and takes the audience on an exhilarating journey through the world of crime, art, and ancient history.