When a woman is found murdered in Central Park, evidence points to two frequent park-goers -- a street vendor and tech billionaire. In the face of extreme political pressure, McCoy takes drastic action to make the case.
Vivien gives birth. Tate and Violet attempt to rid the house of some of its ghosts for good.
Riker is critically injured and stranded on a developing planet during a first contact mission.
Abby becomes too fixated to solving the murder of a Naval Scientist, while the rest of the team worries about her. Meanwhile, Tony's newest fling brings trouble.
[Season Finale] Dr. Greene names Dr. Weaver as attending physician and Dr. Lewis for chief resident, but the staff is not pleased with his choices. Jeanie learns that her ex-husband has contracted HIV.