After an eventful year, Persimmon "Simmy" Brown is adjusting to life in Windermere, running her florist shop and trying to put her tragic past behind her. But just when Simmy thinks her life is quietly coming together, it begins to unravel at the seams. With the delivery of a bouquet of flowers to an elderly lady – complete with mysterious message attached – old secrets come creeping into the light. When another old woman is found murdered in her own home, Simmy is drawn into the centre of a murder investigation. With the prime suspect naming Simmy as his alibi, the unfortunate florist knows her peaceful life in the Lake District is about to be shaken once again.