This darkly comic tale of infidelity and paranoia follows a day in the life of Alan, an unemployed loafer that becomes convinced that his wife is having an affair after he finds a condom under their sofa cushion. He confides in his best friend who tries to ease his paranoid ramblings. But his friend has ulterior motives and he too becomes convinced that she is cheating with someone. How far will they go to find or hide the truth?