It's the early 90s, the first day of school and a terrible start for 16-year-old Erin as she wakes up to find her cousin Orla reading her diary. And Granda Joe announces there's a bomb on the bridge.

It's the 12th July and the Quinn family are rushing to get out of Derry before the Orange Parades start. Aunt Sarah's tarot cards predict a disaster for this trip and, for once, she might be right.

Erin and co are excited to attend an outdoor pursuits weekend as part of a peace initiative. But peace is the last thing on Michelle's mind once she finds out that there will be Protestant lads there!

A new English teacher arrives at Our Lady Immaculate and the gang find themselves inspired.

Erin, Clare, Michelle, Orla and James are beside themselves with excitement as they have tickets to see Take That in Belfast. When Ma Mary forbids them to go they decide that they're going anyway.

Ma Mary and Aunt Sarah go all out to prepare for the school reunion. Will the truth come out about what really happened on leavers night 20 years ago?

The highlight of the year, Erin and Orla’s joint 18th birthday party, threatens to be overshadowed.