Sir Lyall, the 23rd Laird of Thyme, was swept away in an
avalanche on Ben Nevis. The old man’s body was never
found - yet 13 years later, a disoriented stranger arrives at
Thyme Castle claiming to be Justin’s long-lost grandfather.
Is he to be trusted ... or is he, (as Nanny insists), a cunning
imposter?

“ Justin wanted a few moments alone with the
sergeant to broach an awkward subject. Grandpa
Lyall, (if that was indeed his real name), had been
living with them barely nine days, and Justin was
uncomfortably aware that only he and Nanny Verity
still harboured any doubts about his authenticity. ”