Plot summary
Aria forgets her cell phone in Ezra's apartment, and after he reads a message from "A", he decides to break up with her (thinking that she told someone) rather than risk being fired. Hanna has to work in a dentist office to pay for the damage she did to Sean's car and gets some new information from "A" about one of her friends. She sees Jenna at the office building wearing the same lipstick used for the writing on Spencer's mirror. Emily hides her budding friendship with Toby due to the girls' suspicion about him, hurting his feelings. Spencer's father tells her to throw a tennis match against a possible client and his daughter. Ella deals with Byron's cheating, which makes things worse for Aria and Mike.
Credits
Adapted from Wikipedia contributors, Pretty Little Liars season 1. HTML formatting and reference markers removed.