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...

Rosemary and Laura are called to Paris by Rosemary's old friend Dorothy, to catalog the plants in the 150 year-old gardens at her Riviera Villa (Villa Galavany) in order for them to be opened to the public.

The duo realize they will face problems when one of Dorothy's neighbors called James Pretty makes it known he feels strongly against hordes of visitors coming to the area.

Things get more hostile when Dorothy's husband Kasper is found dead, and one of her valuable pieces of silver is stolen...

Rosemary and Laura are called to Stagford Lodge Prep School to investigate the case of the newly planted roses dying, as well as extending the already planted rose garden.

Whilst investigating the problem the duo are invited by Mr Oakley the classics teacher to dine at the masters table on 'the night of the stag' when the school boys play a practical joke on one of the masters.

The night goes horribly awry and two teacher are attacked. Despite the events Rosemary and Laura begin to suspect there is even more trouble to come and their suspicions are proved when they discover the body of Simon Todd, the geography master buried in the grounds...

Gavin Patterson's TV Garden Makeover show is in need of a desperate boost of ratings so he hires yacht's woman Quinnie Dorell to present the show.

Quinnie's knowledge of gardens however, isn't terribly good so she asks Rosemary and Laura to come and help her present the program.

Events take a nasty turn when Rosemary falls from a scaffolding tower in a sabotage attempt seemingly aimed at Quinnie. Soon after, a young visiting journalist named Rosie FitzCarron is found dead in the secluded lake, but why...

Rosemary and Laura travel to Italy to prepare the gardens for Emma Standish's new Italian restaurant but find themselves behind with the work.

They decide to relax themselves and are recommended to go on a guided tour of Giardini Tremonti by the local fixer Fabrizio Biaggi.

The tour however is halted when a lady named Janice Alexander is found dead. Fabrizio is arrested but Rosemary and Laura are asked to prove his innocence by Emma.

As events unfold, a murderous trend emerges when retired Foreign Office diplomat Basil Slavinski is also found dead at the bottom of his cliff top garden...

Laura is shocked to hear from a news report that Rosemary has been shot dead whilst investigating a problem of dying plants at Engleton Park.

Denying the fact that Rosemary would start a job without her, Laura puts it upon herself to tell Rosemary's mother Barbara what has happened, only to find Rosemary herself staying there.

The three women go to see the body apparently belonging to Rosemary Boxer but find it is actually a female archaeologist called Gemma Jackson, who studied at he same university as Rosemary.

Deciding to use the problem of the dying plants at Engleton Park as a cover to find out what has been going on, Rosemary and Laura discover not all things are as they appear to be...

Rosemary and Laura are called to Rowfield to find out the cause of a mysterious blight, which only seems to affect the plants from gardens competing in the local open day competition.

The competition is fierce between those after the first prize and the duo soon discover that the competitors are blaming each other for the troublesome blight.

Suspecting the soil in each garden is being contaminated by weed killer as an act of sabotage, Rosemary and Laura discover the competitors will do anything to win, when they come across the dead body of last years winner Mr Westwood...