S9, E18: Having received a Dear John-type letter from Lani saying that she has moved on and is now romantically involved with someone else in New York, Cody gets a lesson in love when he and Mitch help out a brilliant, but troubled, violinist named Ariana to get away from Lena, her dangerous and overbearing trainer with a secret agenda. Meanwhile, Alex sets out to prove her worth at Baywatch by retaking the rookie physical exams with Jessie.