Beth visits her new home, but she lies to her boyfriend about being there, which upsets Dylan. Efan, Beth's friend, has a secret to reveal but it raises doubts in his mother Alwen, who is determined to know the truth. Bill and Angharad's marriage comes under strain as they both look after a new baby.

With 27 days to go, Dylan is in a panic fearing that Beth is in danger, and rushes to save her. The pressure of arranging a wedding and keeping hold of the family business is starting to tell on Clive and Nesta which is causing problems for their son Owen. His ex-girlfriend Rhian is shocked to find out who her new relationship is.

With ten days since the last episode, Angharad is on fire to know who is responsible for canceling the hen party. In his new luxury home, what does Dylan expect Owen to do with the black cat, Colsyn. The tension in Angharad and Bill's home increases with an unexpected visitor.

The group of friends, and a few extras, arrive at a luxurious seaside house for the weekend of Beth's hen party but the arrangements do not run smoothly.

What will Angharad expect when she opens the door of her home after the weekend of the hen party? Nesta finally has the confidence to reveal her secret to her children while Rhian has to face difficult truths about her past. Evan's mind has been shattered but he calls in the gallery and rummages through the contents of old boxes before making a big discovery. The big day of the wedding comes and the opportunity to find out exactly who the body is at the bottom of the cliff.