Quirke (2014)

S2E34 The Chan Who Knew Too Much

Title: The Chan Who Knew Too Much Plot: When the iconic Stonehenge mysteriously disappears, Jackie travels to England for an archaeological excavation. While there, she uncovers a clandestine group with a sinister agenda aimed at obliterating contemporary civilization. As she delves deeper into their plans, Jackie realizes her knowledge could be the key to stopping them, but time is running out.