iam is a six-year-old boy on his first visit to the seaside in Scotland. Unable to build a strong sandcastle his Grandad teaches him the secrets of castle building. Confused by the disappearance of his castles; Liam sets out on a quest to discover the fate of his creations. Seaside is a truthful drama with a lyricism reminiscing about the loss of innocence and the gaining of knowledge as Liams inquisitive nature discovers an unstoppable force.