Ria Parkinson is married to Ben, a butterfly-collecting dentist who seems to take her for granted. The pair have two grown-up sons, Adam and Russell, who also take her for granted. Feeling dissatisfied with her life Ria meets Leonard and spends the next few years almost having an affair with the dashing businessman.

Whilst the other Parkinson family members don't recognise anything wrong with Ria or her life, she falls deeper into a world of depressive confusion and indecision with Leonard apparently the sole light at the end of the tunnel. Leonard or Ben? Who knows...