It all started in a pretty peaceful way. The guy took his beloved girlfriend to his parents' home. Everybody was supposed to have a good time with dinner and drinks. He knew his mother was a bit crazy but he could not expect she would offer sex to his own girlfriend! Everybody being pretty drunk, his mother and his girlfriend started making out. Soon things got serious and his father joined the party. Look what he did to the girl, old geezer! The guy had nothing to do but drink himself out of this madness.