The crew delivers cattle to the Rim, but Book is gravely injured when they are stuck in the middle of a shootout. At the same time, Simon and River Tam are kidnapped by locals while sightseeing in town. Mal chooses to leave the Tams behind to seek help for Book. Desperate, they turn to an Alliance ship. At first hostile, the Alliance officer they speak to provides medical aid after seeing Book's ID. Meanwhile, the kidnappers belong to a community in desperate need of a real doctor, and Simon tentatively hopes he has found a haven for himself and River. However, the religious residents come to believe River is a witch and attempt to burn her at the stake. Serenity returns just in time to rescue the siblings. When Simon asks Mal why he came back, the captain tells Simon that he and River are part of the crew.