It's the most patriotic of all holidays-Independence Day! The Holiday Mice take part in all the activities that make the Fourth of July fun: a parade, a picnic, a baseball game and sack race, and a refreshing dip in the stream. Even Mr. Mouse, the littlest mouse's special toy, joins in the festivities. The best part of all comes at the end of the day: a spectacular fireworks show!
Wealthy heiress Jillian Llwellyn finds herself drawn to enigmatic Robert Marston, the new silent partner at Llewellyn Enterprises, and looks to him for help when a series of strange accidents befalls her, and as they join forces during the holiday season to discover the truth, they uncover dark secrets that link them to ill-fated lovers from the English Civil War, who hold the key to the mystery and their survival.