1936. After a scandalous celebrity divorce, British tennis star Nevile Strange and his ex-wife, Audrey, make the unthinkable decision to spend the summer together at Gull’s Point, the coastal estate of his aunt, Lady Tressilian, and their childhood home.

With unfinished business between the former childhood sweethearts, and the presence of Nevile’s new wife, the streetsmart and strong-willed Kay Elliot, together with a volatile mix of friends, relatives and strangers, the powder keg is primed. Mary, Lady Tressilian’s longsuffering companion; Mac, a mysterious gentleman’s valet; Thomas, an exiled cousin bearing a grudge; Treves, a venerable lawyer who knows all the family secrets, and his ward, the wayward orphan Sylvia; and Louis Morel, a French con man with an ulterior motive – all converge fatefully on the English Riviera, and its hedonistic hotspot, the Easterhead Bay Hotel. All, compelled – or are they drawn? – Towards Zero.

When, inevitably, a murder is discovered, a troubled detective, grappling with his own despair, must find his purpose again if he is to untangle the toxic web of jealousy, deceit and dysfunction, and solve the crime, before the next victim meets their Zero…