Rich and Louise's relationship comes under strain as they nurse Louise's mother, Donna, through the final stages of cancer.
Emma and Mark live with their son and are on the brink of ending their seven-year relationship when Mark proposes to her.
The repercussions of Emma's love bite being revealed are huge.
Mark wonders if Emma is having an affair and suspects his brother. Sinead goes in search of love on the internet.
Emma and Louise make a pact to find new jobs. Amanda is getting broody and demands to babysit Sam.
Feeling guilty about kissing Emma, Rich decides to show more commitment to Louise.
Michael's life is turned upside down after a disastrous date brings the police knocking on his door, while Mark finally learns who gave Emma a love bite on her wedding day.
