The fallout from DCI Serena Flanagan's last case, which saw her home invaded and her husband attacked, has left her family fractured. Serena is asked to sign off the suicide of a severely disabled businessman, whose widow's close relationship with the local reverend starts to sound an alarm. But with no evidence to back her up, have Serena's instincts led her astray? Serena's determination to unlock the mystery of what happened in that house may cost her her job – and her family.