20/20 After the verdict at his murder trial, Jem's thoughts turn to his childhood sweetheart.
19/20 Jem's mother is forced to testify against him, and there is no sign of a crucial witness.
18/20 Jem's defence has little chance of success without an alibi, and Mary is lost in Liverpool
17/20 As Jem stands accused of murder, desperate Mary goes to Liverpool in search of a witness.
16/20 Mary's link to both the victim and the accused make her the centre of gossip and attention
15/20 Mary sets out to find an alibi for Jem, who stands accused of murder.
14/20 Jem is arrested for murder, while Mary is accused of bringing about his downfall.
13/20 Jem's beloved Aunt Alice falls ill, and John Barton's trip ends in tragedy. Stars Roy Hudd
12/20 Mill owner Mr Carson is unsympathetic to his workers' plight and their demands.
11/20 Aunt Esther reappears worried for her niece's welfare, and the mill workers are angry.
10/20 Margaret has an admirer, and Jem hears Mary's secret via a mysterious stranger.
9/20 Mary is worried about her father's savage behaviour, and Jem makes his intentions clear.
8/20 Mr Barton is desperate for work and a long-lost relative gives him a warning about Mary.
7/20 Bad news for Jem, while Mary is teased about her flirtation with the mill owner's son.
6/20 Tragedy strikes for Jem, but will occupied Mary offer any comfort?
5/20 Mill workers are laid off, and a desperately poor family is found barely alive in a cellar
4/20 Young Jem is a hero when a mill catches fire, in this tale of Manchester life.
3/20 Mary Barton, daughter of a cotton weaver, dreams of a better life.
2/20 Mary grows up and takes over the running of the Manchester household.
1/20 A cotton weaver's daughter is wooed and her aunt goes missing. 1840s Manchester drama.