He took the midnight train going anywhere

When Gaius becomes in charge of the Glee club, Merlin wants to join but his mother doesn't want him to because she is afraid his magic will be discovered. Merlin disobeys, and joins anyway.

Arthur wants to concentrate on football and his relationship with Gwen. But he becomes entranced by Merlin and realizes he is hiding a dangerous secret. So Arthur joins Glee to become closer to Merlin and try to save him from his secret.

Will Arthur discover the past haunting Merlin before it is too late to save Merlin?

Unbeknownst to his friends Merlin struggles with a dark secret as his past catches up to him.

This is also on my archive of our own account: https://archiveofourown.org/works/12893418/chapters/29454543