A momentous day dawns in Skelthwaite as Peggy prepares to leave her job at the health centre, while Cheryl and Dick nervously anticipate their first encounter with adopted son Oscar. Grateful of any excuse for a party, the residents are soon letting their hair down to the sound of a salsa beat.

Cheryl and Dick welcome their adopted son Oscar home for the first time, and Peggy and Lucy fight for their lives after a runaway horse causes a horrific road accident.