A fast-track lawyer can't lie for 24 hours due to his son's birthday wish after he disappoints his son for the last time.
Trivia
The part where Fletcher Reede exclaims "Mama!" before leering and suckling to the woman in the elevator was improvised by Jim Carrey.
Source: IMDB
Revealing mistake
When Fletcher encounters Miranda in the elevator, and flees through the stairwell, the false wall labeled "21st Floor Roof Access" visibly shakes as he bounces off it.
Source: IMDB
Blooper elevator scene from the credits of Liar Liar
Director
Tom Shadyac
Writers
Paul Guay
Stephen Mazur
Cast
Jim Carrey as Fletcher Reede
Maura Tierney as Audrey Reede
Justin Cooper as Max Reede
Cary Elwes as Jerry
Anne Haney as Greta
Jennifer Tilly as Samantha Cole
Amanda Donohoe as Miranda
Jason Bernard as Judge Marshall Stevens
Swoosie Kurtz as Dana Appleton
Mitchell Ryan as Mr. Allan
Chip Mayer as Kenneth Falk
Eric Pierpoint as Richard Cole
Randall "Tex" Cobb as Skull
Cheri Oteri as Jane
S W Fisher as Pete
Ben Lemon as Randy
Jarrad Paul as Zit Boy
Marianne Muellerleile as Ms. Berry
Krista Allen as Lady in Elevator
Stephen James Carver as Police Officer
Don Keefer as Beggar at Courthouse