When Dr. Mary Harris becomes romantically involved with an attractive patient, it sets off a chain of events that could destroy her life, her family, and her career - not to mention her illegal side gig, helping terminal clients end their lives.

After being intimate with Joel, Mary has second thoughts about ending his life; a client's son pulls aballoon on Des; Kevin's relationship with a new woman gets intense.

Mary confronts Ben; Grady blackmails Mary into helping him break a patient out of the hospital; Ben and Frank get a new lead.

Ben follows Mary to her childhood home where he learns about her past; Grady approaches Mary with an offer; Des becomes a victim of police misconduct.

Mary seriously considers giving up her operations for good.

In order to save her family and career, Mary makes a difficult decision.