Shaun Kevlin

When a drug bust points to dirty cops, Frank decides not to involve Internal Affairs in the hopes of taking down and exposing the Blue Templar.

A Russian emigre is poisoned and what appears to be an act of terrorism turns into a revenge plot -- Karl Rostov (guest star Michael Aronov) dies at the hospital after symptoms of a severe stomach flu. The FBI are under the impression that they are dealing with terrorism until the medical examiner finds Ricin in Rostov's body. As Detectives Ed Green (Jesse L. Martin) and Nina Cassady (Milena Govich) dig further a mystery surrounding Rostov's life is unraveled. S. Epatha Merkerson, Fred Dalton Thompson and Alana De La Garza also star.

When Gabriel Gardela (Shaun Kevlin) the brother of Peter (Enver Gjokaj), who Logan (Chris Noth) used to mentor is shot outside a nightclub, Logan and Wheeler (Julianne Nicholson) investigate the world of amateur boxing. After a fight against the champ, Calvin Lewis (Damond Taylor), Gardela goes out to celebrate with histrainer, Gus Kovak (Miguel Ferrer), but his younger brother Peter (Enver Gjokaj) and girlfriend Kristina (Karolina Wydra) go out on their own to celebrate their anniversary. Gus leaves Gabriel at a bar and a very attractive girl flirts with him. Her thug boyfriend drags her outside, and Gabriel follows and ends up getting shot in the thigh.