Follow the SOA (originally titled Follow de SOA) is a 2021 Dutch coming-of-age comedy-drama series directed by Ties Schenk and written by Oscar van Woensel. The story centers on Esmée, an 18-year-old math nerd who catches an STD (SOA in Dutch) after her first sexual experience. Determined to map out the chain of transmission like a mathematical formula, she begins tracking her classmates' interconnected sex lives, lifting the lid on their hidden affairs, casual hookups, and evolving relationship dynamics.