Mary and Darnley wed in a lavish affair, which proves to be a successful decision in regards to her political standing. James makes an interesting discovery about Greer, while Elizabeth frantically tries to salvage England's power.
Andy wrestles with a dilemma, while the other rookies are ready to duke it out at a charity event.
Michael tries to help Cassandra when she's accused of stealing $2 million; Alex receives an offer from Percy that could help her eliminate Semak.
Nuns seek Sydney's help in locating the remains of Sister Evangeline, a nun whose body has been missing for over 400 years.
Jake, Mal and Des discover a murder while on a fishing trip; Rose's frenemy has dark plans; Leslie and Callum team up; a secret backfires on Des.