Lydia and Matthew clash over the prospect of another child; the first cracks appear in Aerin and Ben's seemingly perfect relationship.

Lydia struggles to process some unexpected news while dealing with a fall out with her brother Dunk. Aerin and Ben escape to LA but cannot escape their problems.

Lydia suffers mood swings because of her unexpected pregnancy while her on-going beef with Dunk causes collateral damage. Aerin has a run-in with her mother over her wedding plans.

Lydia and Matthew's relationship sours even more, and a scare for Aerin turns into a bigger issue with Ben. A group holiday to Phuket surfaces concerns about Ploy's relationship with her new partner Claudine.

Aerin and Ben have a breakthrough, which results in a fertility test. Matthew braces himself for a tricky conversation with Ploy while Ducky considers moving out of the family home.

Matthew decides that it is the time get ordained as a monk, but risks leaving Lydia alone at home with their two kids. Ducky decides to move out of the house despite her family's fierce objections.