When Mush-Mush discovers that Morel is afraid of the dark, he suggests that Chep, Lilit and he take the Mushlets to their first overnight forest camp. Morel is relieved. But when Mush-Mush and his friends later come back, panicked, and reveal that the Mushlets have disappeared, Morel has no choice but to face his fear and join our friends on their rescue mission in the dark!