When Lena and Max are partnered for a science fair project, the two are thrilled, but when Lena suggest examining Max's injury for the assignment, Max is offended and ends the partnership. After discussing it with Ines, Lena realizes that she was insensitive and apologizes. They make up and agree to explore music genres and how they affect the brain. They are united until a song by Henri plays over the speakers and a surprised Lena's heart is torn between the two boys once again.