What is the plot of the video game Postal 2

Postal 2 is a first-person shooter game released in 2003. The player takes on the role of the "Postal Dude", a man living in a trailer park. The game begins on a Monday, and for the five days of the game the Postal Dude seeks to complete a variety of tasks. Eventually, on the final day it is implied that he commits suicide due to being unable to comply with his wife's demands.