The heat is on for DCC Bob Skinner. His career hangs by a thread, as a recent illness has given his enemies a weapon to use against him. A body found in the detritus of a flood is identified as the hated brother whose existence he has kept hidden for years. And an incendiary device destroys a valuable painting in the Royal Scottish Academy in Edinburgh.
As Skinner and his team tackle these crises, his wife Sarah, recovering from the loss of her parents, finds comfort with an old college lover. When fate leaves her staring at a seemingly inevitable murder conviction, Bob will need all his resources to sort out the tangled mess his life has become.