The legendary tomb of King Arthur is supposedly at a site, where suddely a lot of people are becoming ill and new owners have stopped all normal work. beckett goes undercover to find out what is going on, and with the help of the others, they discover that the digging for the tomb has unearthed a plague. Alex falls ill with the pague and Ros works at finding her a cure. She is also worried about Beckett, who insists to stay at the site and stop the men from letting more people die and shows for the first time since they split up that she still cares for him.

Une compagnie de déchets toxiques est prise de force par deux hommes, Witcher et Frane, alors que deux autres, Cameron et Vigo leur portent un grand intérêt.

Ученый пытается доказать свою теорию о том, что над гробницей короля Артура была устроена свалка токсичных отходов. Поспешив раскопать это место, он выпускает смертоносную бактериальную чуму, которая снова начинает убивать людей.