Sugar and Melanie track down Olivia's friend, who shares disturbing information about Davy and his family. Davy and Kenny dig into Sugar's past.

Melanie gets a surprise visit that unleashes Sugar's dark side. Ruby receives chilling guidance from a colleague. Davy makes a tragic decision.

Sugar thinks he's made a break in the case. When a double cross forces him to do the unthinkable, he turns to Melanie and Henry for help.

Sugar's fears for the safety of his friends lead him to a clandestine gathering where he learns a dangerous secret—and the truth about Olivia.

A shocking realization points Sugar toward a discovery that changes everything.