Dance With the Devil

S4 E5: On the first day of Paddy's (recurring guest star John Doman – Borgia, Damages, The Wire) murder trial, Maura gains insight into her father from Hope (recurring guest star Sharon Lawrence). Korsak opens up about Cavanaugh's tragic past. And in an unexpected twist, Maura must decide which side she's on when she and Jane unravel a shocking secret about Paddy and Hope that affects them all.