Martinez

A betrayal intensifies the issues between Cristina and Meredith; Matthew and April make a decision about their relationship; Bailey faces difficulties with Ben's return.

April's visiting sisters get on her nerves; when Matthew and Jackson witness an accident, they must work together; Callie and Arizona work on their relationship.

The final episode of the drama sees Michael and his compatriots make one last bid to bring down the Company.

The Phoenix team is forever altered when MacGyver's Aunt Gwen (Jeri Ryan) gets into his head about family and connection and convinces Mac and Riley to join Codex. Also, Matty and Russ take their concerns about Codex to the White House.

The team investigate when a bakery owner is gunned down on his own premises. Eyewitnesses report that the killer was in costume at the time of the murder.