Jackie is white-hot to prove herself as a cop and avenge the death of her best friend, Junior. Frankie teams up with ex-con, cousin Jorge while Ray's off the force because of Renee's betrayal. There's a new deadly drug in trade during off-season Cape Cod, labeled "Great White."

Jackie abandons her stakeout for a firey confrontation. Ray is once again humilitated, and does what he can to get back on the force.