Mars vs. Mars

S1 E14: After one of Neptune High's haughtier students brings a sexual harassment suit against a favorite teacher, Veronica is pitted against her father when the girl's parents hire Keith to help in their case. Meanwhile, with the tabloids claiming his mom is still alive, Logan turns to Veronica to help him track down the truth. Later, Veronica discovers more unsettling information about Duncan's hidden medical condition.