Directed by Jeremiah S. Chechik (as Jeremiah Chechik) with the participation of many stars like Chevy Chase, Beverly D’Angelo, Juliette Lewis,…National Lampoons Christmas Vacation tells about the story in Christmas time and the Griswolds are preparing for a family seasonal celebration, but things never run smoothly for Clark, his wife Ellen and their two kids. Clark’s continual bad luck is worsened by his obnoxious family guests, but he manages to keep going knowing that his Christmas bonus is due soon.