What Happens at Grammy's Stays at Grammy's is an inside look at the issues some military families face during separation, how they manage it, and how remaining flexible just might lead to discoveries like Piggly Wiggly grape soda is better than name brands or it's okay to not follow the schedule because you just might see your Grammy get chased by a ferocious pug in a doggy wheelchair. What Happens at Grammy's Stays at Grammy's chronicles the life of a military family who lives through a yearlong dual deployment as mom and dad are sent to Afghanistan. When Savannah's mom enlists the aid of Grammy to come and stay with her and her little brother, Savannah must decide whether to waste the year making Grammy miserable so she would leave early or accept the love and support from a family member she barely knows.