Rex's parents have split up, he's about to make the scary move to secondary school, and to make matters worse he has to spend his summer holiday on a remote and rainy Irish island - with lots of sheep for company.
The only upside- he'll be staying with his strange and brilliant Uncle, Derm.
Then Rex discovers Uncle Derm is about to execute his most hair-brained plan yet - he's going to rob the island's travelling bank! And he needs Rex's help . . .
A madcap robbery, plenty of sheep and a summer of discoveries come together in this hilarious and heartwarming adventure.
