Penny knows that her mother drinks too much and has a flair for melodrama but she also has a sense of fun that makes everything feel the way it should. So when ... » 

Penny knows that her mother drinks too much and has a flair for melodrama but she also has a sense of fun that makes everything feel the way it should. So when her mother goes south in 1977 to dry out in a convent, Penny is alarmed to be left in the care of a high-minded lady called Isabel Flood. «