'Dumb and Dumber' is a 1994 American buddy comedy film directed by Peter Farrelly, with Bobby Farrelly and Bennett Yellin co-writing the screenplay. The film is the first in the Dumb and Dumber series. It follows Lloyd and Harry, two dimwitted but well-intentioned best friends, on a cross-country road trip to return a briefcase full of ransom money to Lloyd's sweetheart Mary Swanson - and accidentally become involved in a kidnapping plan along the way.