A love story set in 1930s England that follows 17-year-old Cassandra Mortmain, and the fortunes of her eccentric family, struggling to survive in a decaying English castle. Based on Dodie Smith's 1948 novel with the same name.
As part of a drunken bet with her sister Felicity, happily married Alice sends an anonymous Valentine's card to her husband Sam to see if he hides it. When he does, what was a prank leads to a series of events and revelations that may put her marriage at risk, and leaves her looking for answers.
