Rachel Winfree

Susan goes to the therapist and realises she must choose between Ian and Mike, and Travers is having a birthday party which only spells trouble for Mrs McCluskey.

JD asks Dr Cox for lunch but runs into annoying former patient Jill Tracy, who unexpectedly teaches him something about responsibility. Elsewhere, Elliot and Carla discover that Todd's been lying about all his hospital `conquests'.

A young man, who has gained the ability to move faster than the eye can see, begins to use his new power to kill his enemies, including the local sheriff, who happens to be his father.