Two widowers rekindle a passionate relationship that fate stole from them decades ago.

Celia and Alan decide to buy an extravagant sports car instead of an engagement ring.

Celia and Alan's search for a wedding venue leaves them trapped in a haunted mansion.

Caroline and Gillian become unexpectedly close when Alan and Celia go missing all night.

Alan finds it hard to choose his best man, and John outs Caroline and Kate.

Gillian and Robbie grow closer, and Alan calls the wedding off.

Alan has regained consciousness following his heart scare and Celia promises to never fall out with him again. They decide that they should get married straight away. Caroline and John's relationship becomes fractious after Caroline returns home to discover him and and Judith drunk and in her bed.

Alan and Celia's first day as a married couple is full of tension. A new arrival manages to surprise everybody. Caroline finds a way to buy John out of the house.

Gillian is upset after Celia inadvertently lets slip a huge personal secret she has kept since she was fifteen. Alan and Gillian's already relationship hits the rocks as he distances himself from her even motre. Kate is made to feel awkward around Lawrence, who finds his mother's new relationship hard to accept.

Sad news inspires Alan and Celia to have another wedding ceremony for family and friends; Caroline and Kate spend a weekend away, but it doesn't go as planned; and Judith causes trouble between Gillian and Robbie.

Celia introduces Alan to her sister, Muriel. Caroline is shocked to find out that Kate is pregnant. Gillian gets drunk and shares a dark secret with Caroline.

Gillian wakes up having spent the on the sofa. As she remembers her confession to Caroline the night before she is terrified. Caroline ends up being filled with empathy though. Preparations are underway for Alan and Celia’s big day.