Dykes, the thief, escapes custody and heads back to the excavation site to look for the missing gold wing. Robbie also thinks he knows where it is and rides Black Beauty to the area. While looking he falls into a mud pit that is about to cave in. Beauty goes for help.

Ned's behavior creates tension in the Gordon household and when items start disappearing, he is suspected. An older man Simey followed Ned from London and is threatening him to cooperate. It's up to Black Beauty and the children to help Ned.

Kevin and Robbie find an old helmet with a wing and lose the wing on the way home. An archaeologist from a nearby dig dismisses the helmet as a reproduction of little value, but when Robbie finds the wing it is promptly stolen. Later the thief is caught trying to steal the helmet, but the wing is nowhere to be found.

Black Beauty starts showing unusual behavior and Dr. Gordon suspects rabies. After Beauty attacks two men including the new constable, she is ordered destroyed. But Vicky hides her horse, nothing is as it seems and Black Beauty had a good reason for her behavior.

New gamekeeper Ted Hewitt sets out snares and traps on Lord Eddington's estate to protect game and catch poachers. This doesn't sit well with Dr. Gordon, who, with daughter Vicky, pays him a visit. While the men talk, Vicky learns the man's wife, Beth, is pregnant and doesn't seem well. She refuses to take it easy so Vicky visits often to help with her chores. When Beth collapses, Vicky must run for the doctor and gets caught in a snare. Beauty must get help.

While riding Black Beauty, Vicky and Kevin encounter a threatening recluse at the Abbott farm. Despite being warned by everyone to stay away, the children persist in trying to solve the mystery. When a runaway horse endangers young David Abbott, the children get their answer.

There are new inhabitants in the Eglinton manor with Kevin and Albert coming upon a young Cecily running away from her uncle. Joshua Eglinton claims to Dr. Gordon his niece has a nervous disposition and needs to be kept alone, but Kevin disobeys his father to rescue her. Albert dresses as Cecily allowing Kevin and Black Beauty time to save the young lady from her relative's nefarious intentions.

Dr. James Gordon and his two children Vicky and Kevin move from London to the country. On the first day Vicky finds a hurt horse and takes it with her. She asks her father for help and he looks after the horse. Everyone can see, that the horse was treated. Later the son of the owner wants the stallion back. Dr. Gorden says no, and the young man moves. Vicky fells in love with the horse, but the family has no money to buy such a good horse.

An escaped convict holds Kevin and Black Beauty hostage and forces Vicky to get food and clothes so he can complete his bid for freedom.

Ned is caught in a lie by Dr. Gordon and decides to run away, encountering a drifter mistreating a circus pony. After Ned intervenes, the pony adopts him, leading to the man Rundle accusing him of theft. The misunderstandings escalate but are cleared up after Ned becomes a hero rescuing Squire Armstrong's niece.

Dr. Gordon and Vicky rescue a former army horse whose end seems near. Robbie, over protected by his grandmother, becomes friends with the Gordon children after moving nearby. Robbie becomes enchanted by the new horse Soldier.

Beauty is at risk from a spoiled young woman who is used to getting everything that she wants. In order to save Beauty, Vicky enlists the help of a secret society sworn to protect the interests of horses.

Vicky's friend Colin returns from school and informs her his grandfather's estate is to be auctioned. The young people learn of a family secret that if discovered, may provide the funds to save Colin's heritage. But they are in a race against time.

Amy Winthrop's nephew steals Beauty after his aunt refuses to give him fifty pounds to get out of debt to a bookie who is threatening him. To save Beauty and her nephew, Amy must pawn her jewelry and hurry to the auction to bid on the horse.

Vicky and Kevin encounter a brother and sister on the run from authorities, claiming to be orphans. A reformatory is missing two children and when items begin disappearing from the house the true story comes out. Vicky and Kevin learn an important life lesson.

When the Gordon's neighbor Lady Faulkner discovers her racing horses are being drugged, their curiosity gets the best of them. After Dr. Gordon is attacked and Albert rescues the constable from a well, the pieces start to come together. But it's Black Beauty who delivers the decisive moment.

Dr. Gordon is arrested for a cottage burning that belonged to Mr. Skinner after he criticized it's condition. Vicky, Albert, and their friend Jill work to clear his name but need Black Beauty's help. Complicating matters is a mysterious man Duffield and a horse identical to Beauty.

Ned ignores Dr. Gordon's warning about keeping Jonah the pony away from yew leaves, which could poison him. When Jonah does indeed become sick, Dr. Gordon cannot leave John Danby's ailing wife, so it is up to Jenny, Ned, and Black Beauty to save the pony's life.

Vicky, Kevin, and Black Beauty encounter two workmen who decide that stealing the horse is a way to a better life. Where they choose to hide Beauty is unfortunately the site of some dynamite blasting, leading to a race to rescue the him.

Dr. Gordon and a syndicate of farmers plan to buy Parsons field as a refuge for old horses, but Kevin and Albert stumble across a dastardly plan to foil their good intentions.

Vicky discovers a young Tom Honeywell hiding in the church cemetery, on the run after leaving the army. The local recruiter confiscates Black Beauty until Tom returns and Kevin is tricked into enlisting in an effort to help. It is up to Albert and Black Beauty to make things right.

Mr. Coomb's dog is injured in one of the squire's traps and the older man doesn't know how he will watch his sheep. Dr. Gordon volunteers Kevin and Albert, who do their best but the sheep start mysteriously disappearing. Albert uncovers a rustling operation but needs Beauty's help to prove it.

Vicky discovers a young man, wounded in a duel. She takes him back to Dr. Gordon but the family is soon caught up in a dangerous and treacherous plot that places them all in peril.

Kevin and Robbie become friends with Andy, an unfunny clown while Vicky tries to help Dan tame Mr. Collin's horse Thunder. It turns out Andy's skills and comedy are tied to working with horses.

When Dr. Gordon interrupts a robbery, hooligans take first him, than Vicky captive. Needing his medical skills for one of their mates, they refuse to release them. It is up to Kevin, Albert and Black Beauty to rescue them.