Nate is forced to confront Gunny after he seems to be jeopardizing other officers' safety on the street by his actions. Clint diagnoses Gunny's secret, but Gunny forbids him from telling anyone about his condition, which could be helped by a radical surgical procedure. Derek's sponsored 'son' Vijay arrives from India and ends up living with the Hebert's and cooking wonderful Indian dishes. But he may not be all he appears to be. Lt.Doss' old girlfriend the Navy SEAL,Rita visits. Tippy feels inadequate, so she does something about it.