When Liv and Luke's father arrives to town to celebrate their birthday, they try and convince him to let Jo and Kai take their place in the merge ceremony. After Tyler finds out that the merge is happening sooner than he expected, he urges Liv to let him talk to her father. Meanwhile, after Caroline's plan to cure her mother takes an unexpected and devastating turn, Elena, Stefan and Damon gather at the hospital, while Jo attempts to save Sheriff Forbes' life. Lastly, with the merge set to take place, Damon's risky plan quickly sends things spiraling out of control, forcing one of the twins to take matters into their own hands.

It's Jeremy's last day in Mystic Falls and Elena puts on a brave face as they reminisce about their past. Stefan and Caroline find themselves growing closer as they prepare Caroline's family cabin for her mother to live out her final days. While packing up her office, Sheriff Forbes turns to Damon for help solving one of her remaining open cases involving Elena's parents. Elsewhere, when a violent confrontation with Enzo leaves Jeremy wondering whether he should leave or not, Matt finds his own life on the line after Enzo lures him and Sarah Salvatore into his dangerous plan. Lastly, Caroline rushes to the hospital after learning her mother has taken a turn for the worse.