A mysterious visitor, who had a secret connection to Kate, turns up in Eric's office and leads him to a startling discovery. The more indiscretions and lies are revealed, the more Eric questions who he can trust - especially his brother, Patrick. Meanwhile, the second anniversary of her partner's unsolved murder has Detective Cornell frustrated and on edge. Her ex-husband, Ethan, turns up unannounced to share some difficult news. Tensions build between Cornell and Danny, threatening to thwart each of their plans, and she continues to simultaneously bait and butt heads with Eric.