When a nurse is found murdered in the Royal London Hospital, Cassie think it's going to be just another one of Violet's regular old murder cases to solve. But when they find out that the woman was killed by her accomplice, and that he got away with a number of vials containing the Ebola virus, the stakes suddenly get a lot higher.  

When Violet is hired to prove the innocence of a convicted murderer, Cassie discovers that not only is an innocent man's life at stake, but also that solving a 10-month-old murder has its own unique challenges. But what initially seems like it might be a straightforward case quickly becomes more complex with the discovery of a secret computer file and an encryption even Violet can't crack.

When a woman is found strangled in the London borough of Soho, the police think it's a suicide, but Violet Despuis knows better, and Cassie knows that if Violet thinks it's murder, it's murder. The two women find themselves needing to prove not only who committed the crime but also that a crime was committed at all. As Cassie joins Violet in investigating the crime, they quickly find themselves embroiled in a controversy that lands them on the front page. And just in case that wasn't complicated enough, Jake is being secretive, and Cassie is pretty sure someone is following them.

When Cassie Coburn moved to London, she never thought she'd be involved in a quadruple homicide. After a car accident ended her medical career before it even started, Cassie moved to London on a whim, expecting to see the sights and live the typical tourist backpacker lifestyle. Instead she finds herself accompanying a French private detective, Violet Despuis, as they attempt to find out who poisoned four people in the middle of London.

The charity fair at Seagrave Hall is a key date in the Saxford St. Peter calendar. New resident Eve Mallow is particularly excited by this year’s special guest: the explorer Verity Nye, who's engaged to the heir to the Hall. Eve loves Verity’s determination and can’t wait to meet her. But when they talk, Verity hints that she has something troubling on her mind. So after the festive mood is tragically interrupted by Verity’s fall from a third-floor window, Eve can’t be sure that it’s an appalling accident. Especially when one small boy claims he saw someone behind her.