The series begins with the body of Jan Richards in her home on a well-off suburban housing estate. We're immediately thrown back 35 days, to the day Jan moves to the estate. From that day until her death, 35 days later, we'll unlock her past and find out why she was on the Crud yr Awel estate.

Set in an insurance fraud enforcement office, the series follows the 35 days in the lead up to the death of Simon Jones. The characters’ stories all intertwine with each other, revealing dark secrets…

Dolwen. A majestic house standing in a lush, green valley. After Mair’s death her children and their families return home during the summer holidays to scatter her ashes and to discuss the future of Dolwen. There are family secrets. Old quarrels. Old emotional and psychological scars. A family’s story as they come together under the same roof for 35 days at the height of summer. There is tension and bitterness between Dolwen’s dark walls, and before long there will be a murder …

One of the jury is dead at the hands of one of their fellows 35 hours after they retire to discuss a gruesome murder case. Their votes are divided, and who will harbor prejudices?

A new body discovered floating in the sea dressed for a wedding. 35 days earlier, Beth the bride-to-be is enjoying preparations for the big day with her bridesmaids and friends for life. However, dark clouds threaten her happiness: the suspicious behaviour of her groom; her jealous and unhappy brother; and the secrets that the family and her friends are keeping from one another.