Zachary Knower

The team tries to prevent the assassination of a South Korean ambassador at a state wedding; Lightman reveals family secrets and lies while trying to identify the assassin.

Holmes and Watson try to work a stateside investigation from London when someone close to them is gravely wounded by an unknown perpetrator in the U.S.; Holmes' stateside legal trouble threatens to derail their efforts.

Tensions continue to mount between Jane and Maura, causing those close to them to be caught in the middle. Frankie Sr. (CHAZZ PALMINTERI) returns with news that upsets Angela.

A patient's desire to end her life triggers haunting memories for Hunt; Arizona and Callie have different opinions about the future; Richard tries to adjust to his new role.

When the latest in a series of prostitutes is found dead after falling from an airline wheel well, Logan and Barek suspect an airport worker is responsible.

Angela reveals secrets that have haunted her for years; Mohinder learns that his father was involved in a government operation.