Teen Knight begins with a simple soda company contest with the winning group of teenagers scoring a stay at a medieval castle theme park. During the night, these unsuspecting teenagers along with everyone in the castle are caught up in a 600-year-old spell that whisks them back to the year 1383. Their adventure becomes even more real, and even more dangerous as they find themselves attacked by the evil Lord Raykin (Marc Robinson) who plans to take the castle for himself. The teens encounter sorcerers, knights, a prince, and dragons, and find some surprising help from Percival (Paul Soles), a banished court magician. In order to return to the 20th century they must defeat Lord Raykin and bring peace to the castle, but the ensuing war will be anything but easy. This exciting and heartwarming fantasy tale shows true friendship, bravery, teamwork, and cunning as the 20th century clashes with the 14th century in battle.