Vetch's Investigations is buzzing with clients but Grace Smith is singularly underemployed. The situation has become so desperate that she has taken a job dressing as the Easter Bunny and handing out Easter eggs, Unfortunately encounters with those who can't resist tormenting dumb creatures result in Grace being the first bunny to be nicked for GBH in Seatoun.

So when a client offers a simple case tracing threatening letters, Grace accepts with alacrity. However, she finds herself in a household where nobody is what they seem and everyone is bearing a grudge. But by the time it becomes apparent that her investigation could cost her her life Grace is already in too deep...