What is the fine-grained topic of the following text: Based on Piper Kerman‘s 2011 memoir, the series centers on Piper Chapman (Taylor Schilling), a bisexual New York woman sentenced to 15 months in a women’s federal prison for transporting a suitcase full of drug money to her now ex-lover Alex (Laura Prepon), who also ended up in the same prison. Only return the topic.
"Orange Is the New Black" series overview