Lord Mullion's Secret (3)

At Mullion Castle, sumptuous stately home, we meet the Earl and his family, who include his delightful daughters, Patty and Boosie, and dotty Great-aunt Camilla. Old school chum, Charles Honeybath, who has been commissioned to paint a portrait of the Earl's wife, finds himself at the helm of a complex investigation involving ancestral works of art and a young under gardener, Swithin, who seems to possess the family features somewhat strikingly . . .