As preparations are made for a Pontypandy Karaoke night, Sam and the other firefighters prepare for a drill. Mike Flood works on repairs for Bronwyn but he gets trapped in the Jones' basement, after he accidentally jams the door and causing a small leak to turn into a flood. Fireman Sam comes to the rescue.

Mandy Flood and Norman Price head off to the beach with their buckets and nets challenging each other to see who will obtain the best catch of the day where Mandy finds a whale stranded on the beach and the crew have to try to rescue it.