Tan Lines is about three women. Billie Shelton is a rock star into drugs and men. Her career takes third place. After her last album was shelved by the record company she faces a dilemma, go more pop or lose the backing of the investors. Kellyanne Downey is a wannabe actress who works in a club. She is also a mistress of a very rich man, abides his every sexual whim in return for a car, an apartment and a share in a summer rental in the Hamptons. Liza Pike is a feminist. She appears on talk shows battling against conservative republicans. She is independent, rich and intelligent.