Liam's history spurs Cat to dig into the Ellingsworth family's past; Vincent and Cat realize that they may need their secret weapon to defeat Liam; and JT develops a theory on how to save himself.moreless
Vincent agrees to help Liam retrieve evidence that could expose both of them. Cat, meanwhile, digs up disturbing information about Liam's family history.
The VC send a representative to Defiance to negotiate a peace with T'evgin. However, complications from Nolan's recent operation complicate matters. Meanwhile, Datak returns from the dead only to discover that T'evgin is in love with Stahma.moreless
As Conrad's scheme with the Ryan brothers hits a snag, Daniel finds life at Grayson Global getting more complicated. Also, emotions are running deep for Emily in the wake of Aidan's abandonment, as well as Jack and Amanda's wedding ceremony. Meanwhile, Victoria makes a shocking move after being pushed to her limit.moreless
Emily stands by Daniel as he faces his fiercest business rival; Aiden takes a dark turn and, Conrad Grayson winds up in control of Amanda's future.
Emily and Aiden execute their next attack at a fundraiser and wine auction meanwhile, Victoria plans her next move and, Jack, Declan and Amanda worry about the future.
Victoria starts planning a scheme that includes Emily, while Emily locks in on a new target, and Declan learns something that may threaten the Stowaway's future.
In the mid-Season finale Nolan deals with a skeleton from his past while, Daniel's role is challenged, and Carl's christening reveals new concerns for Jack and Declan.
Mason Treadwell discovers a lot of secrets from Emily's past, forcing her to take drastic action.Meanwhile,an emotionally unstable Kara makes plans to leave the Hamptons until she uncovers some truths about the Graysons, placing them directly in her line of fire.Also, Nolan must make a huge sacrifice to protect Emily from being exposed.moreless
Conrad and Victoria choose to take on the press by planning an elaborate ceremony to renew their wedding vows, but the event ends badly, placing Conrad in an undesirable position with Americon Initiative. Meanwhile, Nolan's company is in jeopardy, and Padma's potential involvement remains unclear. Also, Emily coaches Amanda on how to handle Mason's increasing questions, but he continues to dig for the information he really wants.moreless
Amanda learns that playing with the Graysons is dangerous; Emily and Aiden are each caught off-guard; Daniel takes matters into his own hands.
While Charlie is still in his coma, the doctors try one last ditch attempt to wake him. A female jockey has a tough surgery performed on her by Joel.
A sick airline passenger is taken to the hospital. As Alex performs emergency surgery on the passenger, she believes the patient may be infected with a deadly and contagious virus.
Fear and doubt strike Joel in the OR, so Kinney takes him on a therapeutic trip to where she is originally from, then they try to rescue a woman who's pinned under a truck. Elsewhere, Charlie connects with a deceased therapist; and Alex cares for a fitness buff with a rare condition.moreless
Charlie is removed from the ventilator. It is discovered that a patient who arrives for a routine follow-up could hold the key to understanding Charlie's condition.
Dawn and Alex bicker over who will make decisions for Charlie. Charlie meets with a prisoner that has died in the spirit world.
Alex is performing a routine surgery when it takes a turn for the worse after the patient falls into a coma. Charlie connects with the patient and Alex gets personal with a case.moreless
A double hand reattachment gives Alex a chance to prove that she is still capable of being chief surgical resident. Maggie thinks a homeless man received the wrong diagnosis.
Alex must treat a patient who already has had multiple surgeries.
Alex treats a boy with mysterious symptoms and Joel and Maggie must help a patient despite his religious beliefs.
Kate and Ben take a personal interest in a prison mediation and find they have feelings for each other. Leo persuades Lauren to take a case on his behalf.
Sonny Burnett, a man with a dark side, who became extremely violent while at Alcatraz reappears.
When a man's dead body turns up naked in the bed of Doc Robbins' wife, the detectives try to "just work the scene" without bringing their pre-judgments to the table, but it sure looks like a case of Death During Adultery.moreless