Sam and Billie team up for a brand new series. Sam and Paul are adjusting to life as a family of four as Sam makes the brave decision to go back to work. Back in Essex, Billie and Greg have finally put a date in the diary for their wedding but tensions run high as Greg's stag do's threaten to ruin the big day. Billie throws Nelly a fairy themed party to celebrate her fourth birthday.

It's Greg's stag in Marbella and back in Essex the girls are not happy with his behaviour, tensions run high between Billie and Greg on his return. In Hertfordshire, Sam and Paul struggle with potty training little Paul and Sam gets beach body ready for Billie's hen. As the family try to make business work around the kids, Sam gets some amazing news about her new pram range. The sisters and Mum Sue start the emotional hunt for Billie's wedding dress.

The sisters finally let their hair down as Sam throws Billie a bridal shower to remember and Paul and Greg get left holding all the babies. In Hertfordshire, it all goes wrong as Sam and Paul attempt to change their nighttime routine so Paul can sleep with the baby. Paul and Greg's prank on Dad Dave at a military bootcamp backfires. Billie takes Arthur on his first-ever modelling gig and Nelly gets flown out to do a big fashion shoot in Chicago.