Vince is promoted to swimming instructor and begins to teach a would-be glamour model, much to her husband's annoyance. Meanwhile, Errol decides it's time to redecorate the bathroom.

After discovering a new cut price supermarket, Vince becomes rather keen on its own brand energy drink Blue Rat - all the energy of a rat trapped in a can. Meanwhile Errol realises one of his life ambitions of working with fish.

Inspired by the life of Gandhi, Errol decides to bring about positive change for the residents of Elderberry House. Meanwhile, Vince becomes rather taken with the icy girl from upstairs.