Return to Paradise

A hairdresser is found strangled to death in her locked beauty salon, with no evidence of a break-in. All the victim's colleagues possess keys, but each has a rock-solid alibi - and two of them claim they saw her alive before they left. Mackenzie is faced with a classic locked-room murder, but discovers that someone she knows may have the key to solving the case. Detective drama, starring Anna Samson and Lloyd Griffith

Saturday, 18 July 4 airings