After some very unusual weather hits Bannerman Road, Sarah Jane investigates why. Fish are falling from the skies, and Sarah Jane's investigation ends up leading the team to the Museum of Culture. After Clyde acts the fool a little to much, his friends end up turning against him, and he is banished from their lives.

Clyde finds himself abandoned on the streets of London, living rough with no food to eat. Somebody ends up reaching out to him, but as they become friends, he's warned about the legendary Night Dragon.