It's an unforgettable Christmas for the townsfolk of Wellington-on-Sea when the worst snowstorm in history alters everyone's plans — including Santa's.

In order to make good with his former employers, a submarine captain takes a job with a shadowy backer to search the depths of the Black Sea for a submarine rumored to be loaded with gold.

After a brief college romance, Emma and Dexter pursue separate dreams but meet on the same day each year to compare their progress in life and love.