Life and Death – In the series finale, Grace’s world is falling apart when her family’s in danger and the FBI’s ready to make a move. Meanwhile, Al Trapani increases his involvement in Constantine’s business; and what Franco wanted to remain hidden is no longer a secret.
Resurrection – Constantine asks Al Trapani to help locate his estranged son, who’s in debt to a dangerous cartel, and in return Constantine wants Grace to find out what’s behind the North Side boss’ girlfriend’s mysterious ailment.
Sibling Rivalry – An assassination attempt on Constantine prompts a frantic search to determine who’s responsible. Meanwhile, Nate inadvertently puts a mobster’s racehorse in danger; and Grace treats Brett’s estranged brother after he’s injured while cycling.
Confessions – Constantine discusses a consolidation of power with Celeste and North Side boss Al Trapani when he gets wind of Russell King’s plan to control Chicago’s downtown. Meanwhile, Nate asks for Grace’s help with a runaway who may have witnessed a murder; and a priest is treated at the hospital after being bitten during an exorcism.
Fluid Dynamics – When Franco tells master thief Russell King (guest star Michael Madsen), who is in Chicago for a big heist, to show up at Roosevelt Medical and request Dr. Devlin’s treatment for a flare-up of back pain, it’s discovered that he needs immediate surgery. Meanwhile, Constantine becomes suspicious when he learns that Russell has resurfaced on his turf. An intense race against time for Grace, Constantine and Russell unfolds as the lucrative crime looms and lives are on the line.
Game Changers – In an attempt to form a coalition of mob factions, Constantine enlists Celeste LaPree, his old girlfriend and former call girl-turned-madam, now married to a hypochondriac mafia boss who runs Chicago’s Northside. Meanwhile, Franco has a shocking revelation for Grace, forcing her to make some pivotal decisions about love and loyalty.
Turf War – When two innocent bystanders are caught up in an ambush meant for Franco and the rest of Moretti’s crew, Grace joins the action. As the war between Moretti (guest star Michael Rapaport) and Constantine escalates, Grace makes a critical move in an attempt to end the feud.
Complications – Emotions reach a breaking point when Grace and Brett’s relationship shows signs of strain due to their demanding and hectic schedules. Meanwhile, Grace finds herself in a perilous situation when mob boss Paul Moretti takes matters into his own hands.
Legacy – As she fights for a critically ill woman’s heart transplant, Dr. Grace Devlin is asked by Constantine to kill her patient’s estranged and imprisoned father in order to get the organ she needs to save her life.
Change of Heart – Constantine wants Grace to help pregnant call girl with childbirth. Meanwhile Grace tries to save a friend who was involved in a pub accident and Franco has to find a woman who is very important to Alexander.