Martin Lawrence plays Jamal, an employee in Medieval World amusement park. After sustaining a blow to the head, he awakens to find himself in 14th century England.Martin Lawrence plays Jamal, an employee in Medieval World amusement park. After sustaining a blow to the head, he awakens to find himself in 14th century England.Martin Lawrence plays Jamal, an employee in Medieval World amusement park. After sustaining a blow to the head, he awakens to find himself in 14th century England.