Felicia's on another business trip and has left Blu Print in charge in her absence... much to Ollie's regret. Meanwhile, the marsu triplets find a lost egg in the river, and Mia insists that she hatches it herself. Once the bird hatches, the Marsupilamis raise it as their own, which disturbs Aunt Diane, who believe development is a matter of nature and nurture, and strongly insists Hector and Mars at least try to teach the bird to fly so it can join its real parents. Seing their attempts, Blu Print figures the best chance to capture the Marsupilami once and for all is a matter of blackmailing... but both liturally and metaphorically, the feathers are bound to fly.