Michael Patrick Thornton

Violet files for joint custody of Lucas, but Pete hires an attorney and fights back, dragging everyone at the practice into the trial.

Addison, Amelia and Fife try to save Maya and her unborn child, Sam makes a grim discovery and Cooper makes a valiant effort with Charlotte. Later, an unexpected death leaves everyone stunned.

When famed neurosurgeon Dr Ginsberg and her team pay a visit to St Ambrose to save the life of Kayla, Addison is shocked to see Derek's younger sister on the team.

Maya's announcement shocks Sam and Naomi; Pete challenges Fife on a patient with a cutting-edge bionic arm.

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 fetuses she is carrying as a surrogate are able to survive.

The doctors venture into controversial territory when an unexpected new hire at Pacific Wellcare causes Naomi to struggle with the idea of genetically designing babies. Meanwhile, Violet decides to try electric shock therapy on a patient.