When a baby boy shows up on their doorstep days before Christmas with a note written specially for them, Erin and Kelly must learn how to navigate their new relationship and career dynamics while unexpectedly caring for a newborn. As they adjust to their new roles as co-parents, Erin and Kelly discover that this tiny bundle of joy is bringing more than just joy - it's forcing them to re-evaluate what's truly important in their lives. With the help of their growing bond with the baby, they find a way to balance work, love, and life.