"If you eat your dinner, you can have pudding." How many people remember that bribe as a child? And how many repeat it to their own offspring? Yet an apparently innocent remark like that can be the start of a vicious circle of feeding difficulties in children. Food Fights looks at parents' attitude towards children's eating habits by focusing on one family, the Marklews. Their 3-year-old son [text removed] has eaten very little for the last year and his parents are particularly anxious because he has had a heart operation. This documentary picks up the Marklews' story with their first visit to psychologist Gill Harris, whose advice seems to contradict fundamental beliefs.