When a heat wave rolls through Bluebell, Zoe realizes that the hot weather is affecting everyone's behavior and lowering their inhibitions. In fact, Zoe struggles to fight her heat-induced attraction to Wade until she finally gives in. Meanwhile, Lemon is determined to win over George's parents when they come to town for a visit, but she is caught off guard when Lavon shows up to the same restaurant with his date, Didi.

While the residents of Bluebell prepare for their annual Planksgiving celebration, Zoe anxiously counts the days until her return home to New York for Thanksgiving. Unfortunately, getting out of town may be a bit trickier than Zoe anticipated due to the fact that she has to meet her thirty percent quota of patients by midnight or lose her share of the practice to Brick. Meanwhile, Lavon encourages Wade to be honest about his feelings for Zoe, and George’s father offers him an opportunity to join his law firm in Montgomery, which isn’t exactly music to Lemon’s ears.

Zoe has conflicted feelings about seeing her estranged father, world-renowned surgeon Ethan Hart, who has agreed to travel to Bluebell to perform surgery on George’s father as a favor to Zoe. Fearful of losing George, Lemon decides she must befriend Zoe in order to prevent her from telling George about Lemon’s affair with Lavon. Meanwhile, to celebrate the 30th anniversary of the Rammer Jammer, the owner hosts a signature cocktail contest between Wade and Shelley.

With an impending storm about to hit Bluebell, George and Lemon prepare for their wedding day. Meanwhile, taking shelter from the storm, Zoe finds herself stranded in a barn with Wade.

When George’s parents come to visit, they are thrown when they meet his new girlfriend, Tansy, and George’s mother devises a plan that forces George and Zoe to address their feelings for one another. Lemon discovers that Brick has a secret girlfriend and is shocked when she finds out who it is. Meanwhile, Annabeth is smitten with a charming British visitor to the town, but Lavon grows suspicious of him and is determined to uncover his real identity.

Zoe gets sad when she realizes she doesn't have an heirloom to pass down to their child, so Wade makes it his mission to find something from one of their pasts. Brick is disappointed when everyone forgets his birthday, so when Lavon and Wade invite Brick on a fishing excursion, he thinks he is being led to a surprise party. Lemon and Zoe try make plans to have a girls’ day, but things do not go as planned. Meanwhile, George’s parents come to town and they are shocked by who he is dating and his new job.