Tasmania is in the grip of one of the longest, bleakest winters on record and it's particularly icy at the Hobart Police Station. Of the many golden rules in policing, one is especially sacred: what happens at work stays at work. So when a naive young constable, Lucy Howard, makes an allegation of sexual assault against a respected colleague, the rule is well and truly broken. Soon the station is divided. From Lucy's fellow rookies right up to the commissioner himself - everyone must take a side. With grudges, prejudices and hidden agendas coming into play, support arrives from the unlikeliest of corners. But so too does betrayal...