A depressed PJ returns to work following Helena's death. Although all the Heelers want him to take more time off he is sure that he is fine and it won't affect his work. Meanwhile a well-off builder's wife goes missing. Her car is found near the river, but she's not. Gary Parker seemingly had the perfect life with the perfect family - wife Catriona and two small children. But it seems not. The Heelers think it may be suicide but PJ thinks the husband might be involved. They discover that she filled up her petrol and had her hair and nails done just before she disappeared and PJ thinks this disputes the suicide theory, as does the fact it is almost her son's birthday and she wouldn't kill herself just then? There is no evidence to suggest she was depressed. Jo and PJ investigate their expensive house where they begin to unravel the story that life with the Parkers isn't perfect, Catriona's hairdresser Chloe, her only true confidante, agrees. While the river brings up nothing, one of