The perfect escape turns deadly. 'I'll kill her for this – for what she's done to me.'

All journalist Jack Myers wants is a relaxing Irish holiday. Retreating from his demanding job as a foreign correspondent, he thinks he's found the perfect escape – the stately St Peter's Manor, perched on the edge of Lough Derg in County Tipperary, just in time for Ireland's longest heatwave.

When a mysterious drowning occurs during the annual Midsummer Ball, Jack's instincts tell him something isn't quite right. A commodore who vanished a decade earlier, a tight-knit group of childhood friends harbouring old secrets, and motives as tangled as the lakeside reeds.