血之缘

　　A complicated set of relationships by marriage (where each of a pair of married couples was previously married to their current spouse's ex) makes it more difficult for Barnaby and Troy to unravel the motive behind the killing of an ex-Army man who still thought he was commanding a squadron of fellow villagers. The appearance of a traveling band of nomads for a festival adds to the list of suspects, as well as a possible second victim.