A.j. Manglehorn is an old-timer who lead normal lives in a small town, spending a lot of time taking care of his cat. He eats at the same place every Friday and conversations with a bank clerk in the area. But those appearances do not even say the whole truth about Manglehorn: he is a crook who in 40 years ago, the woman of his dreams to put in practice a significant blow. He is now obsessed with the choices they made and feels remorse. After a dramatic trial-to start from the beginning, Manglehorn is put in front of a terrifying and is unmasked as a guy with a very dark past.