Planet of love Venus rises, so hormones in the Observatory rise with it. As a result, Paul's lack of a sex life becomes a focal point and he decides that the best way to shut up his co-workers is to pretend he is having an affair with a girl he met at the pub. The lie gets bigger and bigger as to Paul's surprise, it brings him unexpected bonuses. Rachel seems to become attracted to him and he earns more responsibility at the Observatory. (thetvdb.com)