A film following Huw Jack Brassington, as he attempts to run the notorious Paddy Buckley round a 100km fell running challenge. Those who are brave enough to take on the round, climb 8000m over 47 of Wales' highest mountains in 24 hours. But when a massive summer storm hits Snowdonia, Huw must push the boundaries of his strength, endurance, and determination further than he's ever done before.