Bella Hamm nominates her heroic, firefighting father, Brent, for a well-deserved cruise through the Baltic Sea with her mother, Kat. Tommy and Andrea bring them to the magnificent city of St. Petersburg to visit its historic sites and extravagant palaces. Next, it's off to Lithuania where they discover the country's natural beauty on a fun-filled kayak ride down one of the region's most scenic rivers. The Hamm family caps off their unforgettable voyage with a night of ballroom dancing.