When several black men turn up dead – their bodies completely devoid of skin pigmentation – Mulder and Scully hunt down an African killer who must consume human hormones to survive.
Jay works hard to get in shape and run a marathon, but Michael thinks that he can do it without having to train. Meanwhile, a bible-quoting Tony asks the gorgeous Claire to dress down so he won't feel so turned on.
Jim accidentally injures the priest on the day of Dana's wedding and has to race the clock to find a replacement.
Jim wins a new barbecue and is now supposed to give his old one to Andy. The very next day, Andy organises a meal, but does not invite Jim, which causes a fight. Jim wants his barbecue back immediately.
Jim tries to teach Kyle a lesson about quitting by running a 10k marathon, but he ends up cheating in the race.