What Scott Gordon wants most of all is the be a lifesaver. He lives near the beach and belongs to the surf club. Soon he's going to try for the Bronze Medallion — the first step to becoming a real lifesaver. But his grandmother doesn't like the idea. When she tells Scott the story of a day that changed her life, he begins to understand how dangerous the sea can be.

Jack and his friend Mitchell are going to 'Walk the Wall' — they're going to walk for eight days along Hadrian's Wall, the old Roman wall in the north of England. 'It'll be easy', says Mitchell. But the walk isn't easy. The boys get sore feet and tired legs. There are hills to climb, and there's rain. Then they make a terrible discovery, and a difficult walk becomes a dangerous adventure.

Donna and her family are going on a ballonning weekend in the country. 'It's going to be great', says her brother. Donna isn't confident at first, but when the balloon goes up into the air, it feels strange and wonderful — and she feels free. Then things start to go wrong...

Archie loves art and he loves to draw. He often goes to the Art Gallery to make copies of the beautiful paintings there. One evening he finds himself locked in the gallery after it has closed. It should be easy to get someone to let him out. But Archie is not the only person in the gallery that night. There are other visitors — and they are up to no good. When he realises that there's a robbery happening, Archie knows that it's his job to stop it.

Mrs Peterson gives her class a big new project — they have to find something they can sell at Tunbridge Town Fete. At first, Justin's group don't know what to sell, but then Justin has a bright idea — they'll sell 'worm juice'. Worm juice is a wonderful fertiliser for plants! But Justin and his friends soon discover that setting up a worm farm isn't easy, and as the date of the fete gets closer, they wonder if they're going to have anything to sell!

«It's just a little key. Somebody sent it in the mail. But the person it was sent to never got it — and nobody knows who sent it. So now it's in the Dead Letter Office at the city post office. When Danny hears about it, he decides to solve the «BIG mystery of the LITTLE key». Danny and his friend Emma search for answers all over town. Who sent the key? Who was it for? And, most importantly, what does it open?»

Cully Robinson is visiting the English village of Seacliffe, trying to find where one of her ancestors is buried. Cully is surprised to learn that she has distant relatives living in Seacliffe today — and they are very wealthy people. When Cully investigates the family history, she learns of a crime that has been hidden for almost two hundred years — a crime that changed the lives of everyone in the family.

In an old country house, the celebrations for Adrian Bennett's fortieth birthday are going well. Everyone is enjoying themselves — the guests; the actors who are acting out a murder mystery to entertain them; and Milly, who is helping her mother cook all the food. But the weekend is ruined when a real crime takes place. The road to the house is closed because of bad weather, and the police can't get there. So Milly decides to find out for herself who did it.

Cycling around the Australian holiday island of Rottnest, Becky and her friends make an awful discovery — a dead body beneath a cliff. Did the man fall, or was it murder? Becky can't stop thinking about it. Then a chance discovery about the dead man's name makes her wonder if this death could be linked to a murder that happened many years ago. Becky is determined to find out how. But as she gets closer to finding the answers, she finds she's getting into great danger herself.