A young man's sexual impulses go haywire when he discovers the woman he has just been to bed with happens to be his mother's lesbian lover, and may be carrying his child. Set against the backdrop of Reykjavik's swinging nigthlife, this zany black comedy takes a candid look at its antihero's compelling, confused, and often hilarious sexual universe. Living on a social security in the protected environment of his mother's home, Hlynur has never felt the urge to venture beyond the confines of his microcosmic world: 101 Reykjavik. Determined to resist adulthood at all cost, he soon finds out that life is busy making other plans for him.