Ajay Vidure

Cristina and Burke's wedding day arrives - along with the interns' first exam results - and a successor to the Chief is named, as Callie and George make a big decision about their relationship.

Jess reluctantly dates the wealthy father of one of her students. Meanwhile, Nick attempts to buy a new cell phone and Schmidt and Winston get ultra-competitive playing bar trivia.

The retired lead detective on Beckett's mother's homicide case is gunned down after telling her he has new information; Castle and Beckett's partnership grows stronger.

The parents of a missing college student seek help; David gets help on the Cytron case from an unexpected source; Mellie proves her political prowess.

Violet and Cooper make changes to their friendship to appease their significant others; Pete and Cooper argue over a patient's (Justine Bateman) marijuana use; Addison debates going public with her new romance.