Knock Knock Ghost (2015)

S02E22 Letters, Lawyers and Loose Women

Mary encounters her secret admirer but encounters legal hurdles on her path to love. A cheating hotel patron (guest star Dave Foley) misplaces his wedding ring at a nearby brothel, prompting Mike to assist him in tracking it down by looking into the venue. Simultaneously, Danny and Ed embark on their own investigation to honor a friend's final request for justice.