The Dunnes have set off on a ten day boat trip, a trip that hopefully will bring them closer together, despite the fact that the father, Stuart is staying behind on land. But only an hour into the trip they're already falling apart. The teenage daughter plans to drown herself, and the teenage boy is high on drugs. Ten-year-old Ernie is near catatonic. But their mother Anne, with the help of her brother-in-law Jeff, is insistent on pulling everyone...

When the Shhh-BOOM, Shhh-BOOM, Shhh-BOOM of the snake band begins to sound a little monotonous Snake suggests adding Frog's cha-BOP, or maybe Cricket's chew-up chew-up.