Mad Dad (2007)

George Newman had everything a man could want; a beautiful wife, a nice house, a good son, and a great job. However, one thing George doesn't have is a temper. One day George's wife dies of cancer. Ten months later, George still seems to be struggling with the death of his wife, so he starts to take it out on everyone he knows, particularly his son. George slowly starts to lose his mind in this thrilling comedy about a father who goes insane!