Boma and Ronaldinho want to surprise Goedele for her birthday: Boma is planning to formally adopt the son of his girlfriend. Goedele has her doubts and sets a first condition: Ronaldinho must pass his astronomy exam. Boma takes up the challenge, but with his own nature and the playfulness of Ronaldinho it is not easy at all. Carmen is inspired by Boma's plan and arranges a similar adoption. The 'lucky' guy is ... her dog Nero.
