The Chicago cop believes Philip but can't arrest Evelyn Quarry, so he plans to raise a 'private army'. Old Shawn's wife admits she knows what he want tell about Colleen and ultimately learned she's his Galway bay sister, who died young. Stefano comes 'explain' about Colleen and his price for ending the feud: E.J. marrying Sami. While searching the tunnel between the rival families' Salem lake estates, Bo was knocked down. His assailant climbs out, but is caught and unmasked: Lexie, who claims she was kept captive there for months and ignores TEK's whereabouts. In the tunnel, Bo finds a family album containing a key to a music-box, but opening that triggers a bomb-timer.