A body is found floating in the East River on this episode, which leads Castle and Beckett into old tunnels and passageways of New York City. Once there, the partners find a secret from the days of Prohibition.
Oh, absolutely not! You will not and do you know why? Because you're a fighter. What have you always told me? No one will give you anything in this life. You must earn it and look at you. Almost 20 years later and you're back on Broadway. You have earned this.