A year after Lynda's death, the Hansens discover a lost letter that may have hastened the matriarch's demise. Meanwhile, Doug takes a bite out of Joanie's profits with his dog-food fixation; and Syd stands by Kyle as he undergoes surgery to save his arm.

As they prepare for Hannah's birthday party, Joanie gets a shocking surprise from Ritchie; Syd presents Kyle with a place to live; and Robbie gets wrapped up in a lie he told Heather about his sexuality to avoid dating her.

Syd tries to repair her past with her mom by helping an alcoholic reconnect with her bride-to-be daughter; Joanie bids Doug adieu after the cops sniff him out as a dog thief. Meanwhile, Robbie loses more than a chance at love by finding a mate for Heather; and Kyle pitches a camping trip to Syd.