The main character of the detective-drama series "Blood & Water" is a teenage girl from Cape Town named Puleng. A tragedy occurred in her family shortly after her birth: someone kidnapped her younger sister. One day, Puleng meets a popular girl from a wealthy family at a party. This girl takes first place in swimming competitions, wears the best brands, and doesn't even notice Puleng. However, Puleng unexpectedly feels that she is her biological sister.