The Japanese Fighting Fish live in an aquarium in a local pet shop. Three male teenage siblings, trapped together in a bowl, thus doubly dysfunctional, being both teenage, and related. It's not a love hate thing, it's a love, hate, despise, annoy, aggravate, protect, unite thing. They can work together in adversity, but mostly don't, given their complex family hierarchy. Imagine three teenage boys strapped together in the back of a car on a long journey. (Are we nearly there yet?) Now add some unwelcome guests, odd arrivistes and scary intruders, and the occasional face pressed to the glass…