Rosemary and Laura are summoned to Bowden Grange Language College to solve the mystery of random dead patches appearing on the lawns.

Whilst shopping in the town, Laura witnesses one of the college students named Angelica, accused of shoplifting. When Reynolds, the security guard, searches her bag he pulls out a knife and takes her for questioning.

Back at the college, Rosemary and Laura are roped into searching for Angelica, who has since disappeared along with Felix the college handyman.

Driving along the surrounding roads, the duo discover the body of Felix in a ditch, with his throat cut...

Rosemary and Laura are asked to design a memorial garden based on the myth of Orpheus and Eurydice for an old friend called Julia Moore.

Laura discovers that her daughter Helena is being housed by Julia nearby and tries to heal a rift with her when she blames her parents' break up on her mother.

Laura manages to put her family problems to one side when another tenant of Julia's, a man called Jeremy Pearson is found dead in the soon-to-be memorial garden.

Rosemary and Laura must find out who murdered Jeremy whilst dealing with a mysterious figure, who is vandalizing their work on the garden every night...

A noted scholar of Spanish Islamic History, and a former boyfriend of Rosemary, invites both her and Laura to his beautiful home in the hills of Southern Spain, so they can help to restore an old Moorish garden inspired by the Alhambra. While the pair try to find a source of water they need for the garden, they don't expect to find murder when they come across the body of a young woman named Maria in the hills, who had been pushed to her death...

While Rosemary and Laura are helping to do up a garden for a Spanish tennis camp that is holding a tournament, in which Laura's son is taking part, tragedy strikes when the body of one of the Pro-Am tournament players is discovered. Although the player is thought to have died in a drunken accident, the gardeners soon find evidence that they were murdered, especially when the player's wife is killed in an accident intended for someone else. The pair soon realise that something is not right within the tennis camp...