Watch The Mob Doctor

In the first season finale, Grace's world continues to deteriorate, while the FBI closes in on Constantine. She attempts to define her role in both worlds.

Constantine seeks assistance from a Chicago mob colleague in an attempt to help his estranged son Garrett, who is deep in debt to the ruthless Nogales Cartel. As payback for the favor, Constantine orders Grace to treat Trapani's girlfriend, who is harboring a shocking secret.

When a champagne bomb is delivered to Constantine, he and Celeste try to determine who wants him dead. Meanwhile, Nate seeks Grace's help after an accident. Back at Roosevelt Medical Center, Grace treats Brett's estranged brother, Jack Hanson, following a severe cycling accident.

Dr. Devlin and Dr. Robinson treat a priest who was wounded during an exorcism of a demon. After Constantine learns that newcomer Russell King is determined to take over downtown, he seeks help from Celeste and Al Trapani. Meanwhile, Dr. Devlin helps a runaway who may have witnessed a murder.

Franco refers master thief Russell King to Dr. Devlin at Roosevelt Medical to treat his back pain, he finds he needs immediate surgery.

In an attempt to form a coalition of mob factions, Constantine calls on Celeste LaPree, a former girlfriend and call girl-turned-madam, now married to a hypochondriac mafia boss who runs Chicago's Northside. Meanwhile, Franco forces Grace to make a decision based on love and loyalty.

When two innocent bystanders are caught up in an ambush meant for Franco and the rest of Moretti's crew, Grace tries to intervene. As the war between Moretti (guest star Michael Rapaport) and Constantine escalates, Grace is desperate in her attempt to end the feud.

Grace and Brett feel the pressure of their busy schedules starting to take a toll on their relationship and reach a breaking point. Grace is in a serious situation when mob boss Paul Moretti takes matters into his own hands.

Grace faces a moral dilemma in order to save her patient who needs a heart transplant.

After delivering a baby that Constantine intends to use for blackmail, Grace plans to help the mother keep her newborn son. Meanwhile, Moretti tries to prevent a witness from testifying at his trial.

Dr. Devlin treats a family that was involved in a fatal car crash and then is forced to help the driver of the hit and run.

The series premiere opens with Dr. Grace Devlin, a top resident at Chicago's Roosevelt Medical Center, struggling with a moral dilemma - she is indebted to the mafia. She attempts to meet the intense demands of being a surgeon while working "off book" for the mafia men she once despised.