Mary Gilmour is struggling to cope. Her job is part time but housework is full time, leaving no time at all for her two young sons - let alone herself. For Mary, there is only one thing standing between her and a life of organised contentment: her husband, Joel.

Since star charts worked wonders improving their children's behaviour, she commits her unknowing husband to the same fate. A spreadsheet, detailing every dirty tissue, every lost sock, and every wet towel on the bed.

Joel has six months to prove his good behaviour outweighs the bad. Or else...