A team of neurosurgeons trying to save Addison’s comatose patient, Kayla, includes Derek Shepherd’s younger sister, Amelia, whose take on the case sparks friction. Meanwhile, Cooper and Charlotte continue to be unable to work together.

A husband’s decision to pull the plug on his pregnant wife is overruled by a judge, forcing the hospital to keep her on life support until the baby is born and can survive. Naomi feels betrayed after learning of Sam and Addison’s feelings for each other who turns to Dr. Fife for comfort.

Addison clashes with Sam’s new girlfriend, Vanessa, over treatment for a patient whose life – and those of her unborn triplets – hangs in the balance. Meanwhile, Naomi’s love triangle intensifies as she finds herself torn between William and Dr Fife, and Cooper and Sheldon argue over Charlotte while working together on a case.

It’s Maya’s wedding day and while Violet helps Sam prepare, a furious Naomi still refuses to take part as she works with Addison and Pete to save a premature baby. Meanwhile, Cooper becomes suspicious of Charlotte’s new boyfriend and thinks that he may be abusing drugs.

Addison and Cooper are counseling a couple who must pick a child to save with their newborn’s cord blood. Meanwhile Dink wants to marry Maya.

Addison and Cooper are counseling a couple who must pick a child to save with their newborn’s cord blood. Meanwhile Dink wants to marry Maya.

Maya shocks Sam and Naomi, while Pete and Fife disagree on patient care.

Maya shocks Sam and Naomi, while Pete and Fife disagree on patient care.

Addison and Mark head back to Ocean Wellness to help his pregnant daughter. Naomi and Dell can’t agree how to raise their children together and Violet and Cooper can’t agree on patient care.

A terrible explosion at Dell’s house lands Betsey and Heather in the hospital, and everyone is pushed to the limit trying to save their lives. Tensions rise even higher between Addison and The Captain when her mother, Bizzy, shows up and a shocking family secret is revealed.