Friction between Art and Beth intensifies as she comes to stay for the week. It preoccupies Jones so much that he forgets to feed the neighbour's goldfish - with tragic results. In the aftermath, Art discovers an insignificant sum of money down the back of the neighbour's sofa. The trio agree honesty is the best policy and agree to leave the money where they found it, but an atmosphere of deceit and betrayal soon descends on the household. Alliances, allegiances and allergies reach breaking point when the money goes missing. Suspicions multiply and tempers fray as guilt and greed propel the story to its bloody conclusion. And when the merry-go-round of treachery finally comes to a stop, who will come out on top?