An arrogant Bournemouth hotelier called Peter Taylor gets away with murdering his wife in 1982; but when he conspires to kill his son-in-law nine years later, his luck runs out.
George Smith, an Edwardian man who married a string of women, only to drown them in a bath and steal their money, was eventually caught and hanged in 1915.
Former military commander Neil Rutherford unleashes terror on the unsuspecting guests of a remote Welsh seaside hotel in 1976, before turning the gun on himself.