William's guilt about a badly planned intervention and its fallout makes him put Swenton and himself in danger when they try to rescue a man for his son. At home, Ben takes a stand about his life, throwing the family into turmoil.
On Allison and Stark's wedding day, Sheriff Carter finds himself stuck in a time loop; causing him to experience the same lousy day over and over again. Meanwhile, Sheriff Carter's sister, Lexi, visits Eureka.
