X-Factor Investigations has been taking on stranger and stranger cases lately — but when an eerie sighting leads the group to the hometown of its leader, Jamie Madrox, they stumble onto an even bigger mystery than they could have imagined. As they work to uncover the deadly secret behind Bloodbath, their own secrets threaten to tear X-Factor apart — and will ultimately claim the life of a team member!

Collecting X-FACTOR (1986) #224.1 and #225-228.