Two years after the death of Jean, Matthias, the coach, decides to take Selime, a young man from the suburbs he believes is gay, to accompany the Shiny Shrimps to the Gay Games in Tokyo, on a trip to pay tribute to their friend who left too early. But after they miss their connection, they find themselves stranded in Russia, in one of the not the most gay-friendly regions in the world. The start of a crazy adventure as incredible as it is perilous.

The Shiny Shrimps is a comedy-drama movie that follows a water polo team as they train to compete in the Gay Games. The team faces various challenges and awkward situations while dealing with homophobia and stereotypes. They form a strong bond and work together to overcome obstacles and prove themselves as athletes. The movie explores themes of acceptance, LGBTQ+ pride, and the power of teamwork.