 Gee ( Yaphet Kotto ) tells Pembleton ( Andre Braugher ) , an excellent detective but a lone wolf , that he must work with a partner . Pembleton ends up investigating the death of a 65 @-@ year @-@ old man with rookie detective Bayliss ( Kyle Secor ) . Bayliss initially believes the death to be a heart attack , but Pembleton correctly determines it is a murder because the man 's car is missing . Police later arrest a man named Johnny ( Alexander Chaplin ) who is found driving the dead man 's car . During an interrogation , Pembleton fools Johnny into waiving his Miranda Rights , then sneakily persuades him into confessing to the murder . Bayliss , although convinced of Johnny 's guilt , nevertheless questions the ethics of Pembleton 's approach , prompting Pembleton to yell angrily at him in front of the other officers . The episode ends with Bayliss responding to his first homicide as the primary detective : the brutal murder of an 11 @-@ year @-@ old girl named Adena Watson . 
