Kris and Kate build a boat in the sand, then, dreamlike, it becomes a rowing boat. Their dog Holly frisks round them. They venture out into a sea inlet, watched by their mother from the shore. Kate, assuming that girls take the energetic lead, insists on rowing, Kris dreams with fish. After all that excitement they they get hungry and eventually, with Holly, fall asleep! With their mother alarmed on the shore, the boat drifts out to sea. But the birds and the fish that Kris had befriended rally round and pull them back to shore.Their mother lifts them out, still asleep and, Holly beside them, their mother kisses them goodnight as they dream of their next adventure