Nat and Steph receive the tough news that their latest round of IVF has been unsuccessful and drunkenly decide to take matters into their own hands along with their flatmates Johnny and Lily.

Still in shock at the double pregnancy news, Nat and Steph begin looking for a house of their own and quickly learn that leaving the flat will be harder than expected; Lily offers surprisingly sound advice.

Steph and Nat announce their news with a confusing cake; Lily and Johnny begin to realise the ramifications of having to share a flat with two babies.

Nat and Steph debate who should go back to work and who should be the traditional stay-at-home mum. As they both attempt to showcase their homemaking skills, a quick nap on the couch sees a major disaster unfold.

Nat and Steph are both exhausted, and it's beginning to take a toll on their relationship; Johnny prepares the house for the arrival of the new babies.

Steph is beginning to panic before the babies arrive; Nat is more focused on trying to find and enjoy the final moments of peace and quiet; a surprise baby shower turns into a disaster.