The Honeymoon
Arriving in Scotland, Duke's dismayed to find their room not ready, but soon the Laverys get comfy. That night, he wraps an undressed Anna with his a blanket of his family's as a symbol of her joining his clan. The honeymoon's bliss as the couple wander about the countryside and enjoy each other's company. 

When Duke attempts to teach Anna his favorite sport, fly fishing, Anna becomes frustrated with his obsession with the sport. The two get into an arguement, and he shoves her into the lake when she angrily tosses her pole into the lake and refuses to retrieve it. She in turn pulls him into the lake. 

However, the newlyweds quickly make up. Meanwhile, poor Angel attempts to help Duke by renting out his penthouse to a man named Carruthers, who claims to be an insurance salesman. Unfortunately, he's actually running a gambling operation. 

Getting Even
Sean decides to follow his own advice to give love another chance, and Tiffany's the one the smitten Irishman wants, which is good considering he's the only one she wants too.  He's even starting to think about marriage.  Guilt-ridden, Tiffany decides she needs to clear Sean's name in the 12 million dollar HTI embezzlement.  After trashing the Q mansion because Alan and Edward cut her out of the embezzlement scheme, Tiff pretends to apologize.  

Sean's happy to hear she might be able to get the code name and account number from Alan, but not when it could involve her sleeping with Alan.  Neither want to go that route, and Monica provides a means when she selects Tiffany to serve as temporary president of HTI. Going through some papers, Sean and Tiffany discover Herbert Quartermaine's name on some proxies held by Von Schuler, who had been the first embezzler.  They deduce that Herbert was behind the actual embezzlement.  Sean's further intrigued when Herbert, who's secretly been studying a file on Donely, rings him up and suggest the two conspire against Edward.

The Mysterious Autumn
After seeing the Lavery off on their honeymoon to Scotland, Robert turns his attentions back to the mystery lady, telling Felicia that because he brushed the lady off and didn't get her name, a  man may wind up dead.  Across town, Autumn's fussing over her boss, Herbert, because she's afraid he's going to be killed, but he's only concern is bilking the Qs out of their money with the help of Sean.  Herbert proposes a billion dollar race with Edward, where at the end of 30 days whoever has the bigger stock portfolio gets to keep both.  He and Sean arrange for Edward to intercept a fake hot tip to Humbert. His celebration is short lived when Herbert collapses after eating Rosa's guacamole dip.  

Autumn accuses everyone of trying to do Bertie in, and calls Robert for help.  However, the doctors reveal that the sour cream in the dip conflicted with Hubert's brain tumor medicine, so it wasn't a murder attempt after all. Robert 's suspicious however, after Humbert's accountant, Pritchett, dies after falling down some stairs.  Bertie orders an unhappy Autumn to get Robert off the case, but Robert refuses after Bertie's housekeeper, Dorothy, is found stabbed to death. The body disappears before Robert and Guy get to the Q mansion.

With Anna's help, the two do background checks on all the involved parties.  She's not thrilled with his preoccupation with Autumn, and stuns him with news that Autumn has a very sorted past.  Apparently, she had ran away from boarding school and become a porn star.  Furious, he confronts her, and she explains that she had gone astray because she was grieving after learning her father was actually alive, but in prison for embezzling from Herbert.  After his death, Herbert became her guardian an took care of her.  The two kiss, but she flees after Robert tells her he's not sure whether he believes her.  

The cops finds the murder weapon, Quentin Quartermaine's letter opener, which Quentin claims Autumn was the last to use.  He also claims to have found a memo from Pritchett to Herbert saying Autumn would cause trouble if she ever found out Herbert was hiding money from her dead father's bank account.  Robert again questions Autumn's story. 

After Robert succeeds in catching Herbert's murderer, his daughter-in-law Betsy, Autumn inherits Herbert's fortune and leaves town with her sleazy ex-boyfriend. The Qs inherit nothing.  Scorpio receives a mysterious note saying, "The snowman watches everything you do," but dismissed it as a prank. Anna finds the note disturbing. No wonder. Unbeknownst to them, a mental patient with a grudge against Scorpio has just been released.