Let the Right One In - Season 1 Episode 2 Intercessors Anything for blood.
Overview: With the assistance of his old friend Zeke, Mark chases down a lead that might help him finally discover a cure for Eleanor. Without Mark's approval, Eleanor sneaks off to Isaiah's talent show while Naomi discovers an unsettling pattern to this string of local murders. Claire, newly reunited with her brother, is forced to make an all-important decision about her future.