Disaster strikes at Charlotte's grand baby shower. The dogs run amok as Jake and Charlotte try to train them ahead of the baby's arrival, Leticia embarrasses her daughter with stories about her love life, and the baby shower of the year is a washout.

Charlotte and Jake travel to London and start the countdown to the birth, tensions run high and tempers are frayed as days close in. Jake turns to his brother Rhys for advice, and Charlotte confides in best friend Lauren.