In 1925, the Honourable Daisy Dalrymple Fletcher, her husband, Alec Fletcher (a Scotland Yard Detective) and their new twin infant children inherit and move to a new, larger house on the outskirts of London proper, in a stage of slight disrepair (thanks to an aged, now deceased, uncle). Set in a small circle of houses and a communal garden, it seems a near idyllic setting. That is until a dead body turns up half-hidden under the bushes of the communal...