Rose Galbraith

When Mary finds herself at the center of a public scandal and the family faces financial trouble, the entire household grapples with the threat of social disgrace. The Crawleys must embrace change as the staff prepares for a new chapter with the next generation leading Downton Abbey into the future.

Detective Inspector Max Arnold lives on a battered houseboat at the end of Cheyne Walk after separating from his art dealer wife Astrid. The son of a local bookshop owner, Max is a far cry from the affluent elite whose crimes he'll help solve along with D.C. Priya Shamsie.