Stuart Leach finally returns more than a year after he left home to find work, seemingly suffering from amnesia. However, his suspicious brother Martin refuses to believe there is anything wrong with him.

Yvonne takes fiery revenge on her boyfriend for throwing her out of his house, but it's not long before she's back on her feet thanks to the help of a friendly neighbour.

Katherine feels unable to walk away from her unhappy marriage so she hatches a plot which she hopes will force husband Mack to leave her - sleeping with young factory worker KT.

Steve and Sylvia celebrate their wedding anniversary with a romantic meal, but their night is disturbed by an armed burglar. Steve decides to take the law into his own hands - with disastrous consequences for his family.

Trudy is shocked by the sudden death of her father, and makes a mistake which leads to Katherine's infidelity becoming public knowledge. With the Mackintoshes' marriage scrutinised by the gossips, everyone is forced to face their feelings.

Katherine finally walks out on her marriage and gives Mack an ultimatum, making it clear that if he does not buy her share of the business she will sell it to their main competitor.