On a stormy day, Oona and Baba find Mossy and the Shrew Crew hiding from the thunder and lightning. Can they help Mossy overcome his fear of thunderstorms?

Isabelle and Oona can't find Mossy, so Flynne comes along to help them look. The trio head off, but they're an unlikely group. It seems puffins and foxes don't have much in common.