A high-stakes wedding planning getaway turns into a transformative experience when four friends participate in a mysterious hypnotic dare on Midsummer’s Eve. Josie, determined to orchestrate the perfect wedding, drags her overwhelmed fiancé Harry to her family home in Cornwall, accompanied by the clashing bridesmaid Diane and best man Ant. As interpersonal tensions escalate, the group agrees to a challenge from a famous TV hypnotist, Freddie Puck, at a local site of ancient standing stones. The narrative tracks the psychological and emotional shifts of these four characters as they confront their personal truths under the influence of the hypnotist's games.

This novel presents a lighthearted exploration of romantic entanglements set against the backdrop of Cornish folklore. The premise suggests a focus on the friction between modern relationship pressures and the influence of tradition or suggestion. Readers likely encounter a narrative that balances comedic dialogue with moments of personal revelation as the characters navigate their respective futures. The story appears to lean into the tropes of contemporary romance while utilizing the setting to heighten the emotional stakes for the protagonists.