One Saturday morning, TJ McConnell wakes up to find his mother, Mary, gone. He doesn't know where - or why - but he's the only one who can help find her.
Mary grew up longing for information about the mother she never knew. Her brother could barely remember her, and their father numbed his pain with drink. Now aged thirty-seven, Mary has lived in the same house her whole life. She's never left Belfast. TJ, who's about to turn eighteen, is itching to see more of the world. But when his mother disappears, TJ begins to realise what he's been taking for granted.