Stevie O'Dwyer moves to Galway following a relationship breakup looking forward to a fresh start in a new city as she begins her study of ancient stone carvings called sheela-na-gigs. The last thing she expects is to fall in love. However, she meets Joe Kavanagh, a dispirited artist who has lived in Galway for years. He dreams of escaping Galway and starting a new life in Thailand as a tattoo artist, but he is stuck in a rut of procrastination. Despite their differences, Stevie and Kavanagh begin a passionate affair. As Stevie travels around Ireland and tries to unravel the mystery of the lewd pagan figures, the sheela-na-gigs begin to affect her in strange ways. She sees them in her dreams and starts to hear their voices. The sheela-na-gigs have an impact on Kavanagh too. Haunted by their images, he becomes inspired to paint again. Violence, drugs and arexia threaten to throw their paths into tragedy. Can they overcome the challenges presented and build something together or will they be torn apart or worse?