Margaret works tirelessly to arrange the best 50th birthday party for her husband Clarke, but something is wrong. Mercy is having financial difficulties.

Margaret and Mercy meet at an extravagant yacht party forging an unlikely connection. Hilary wrestles with whether she wants to start a family.

Margaret becomes obsessed with discovering the truth about her son's disappearance, which leads her to a person of interest. Hilary tries to support her grieving friend while her own marriage falls apart.

A possible revelation about Gus' disappearance sends Margaret and Clarke to China. Hilary's mother is from Los Angeles, and their complex relationship is put to the test when they fall into an unexpected trap.

Essie and Puri, two Filipino domestic workers, have left their families to look after American expatriates in Hong Kong. They find themselves grappling with their own dreams and professional limitations.