Stressed mother Julia's day slowly decends into chaos when she struggles to find childcare arrangements and attempts to join the alpha mums for spag bol.
With Liz and Kevin's help, Julia plans a party for her daughter Ivy's birthday. However she has to lie to the other mums when she turns sick at the last minute.
A pool party foils Julia's plans to prepare for a work event. Kevin gets competitive with another dad, and Liz tries to connect with the owner of a lost wallet.
Julia and Liz's friendship is tested when Julia competes with another mum to get into Anne's carpool. Meanwhile Kevin finds himself in the role of confidant when Amanda shares a secret.
As her friendship with Liz remains strained, Julia hires a nanny that slowly starts to take over her house. Amanda's absence throws the mums into chaos.