After John Arnett/ Wilson has a bad encounter with a doctor that harvests organs, he, his wife, & his two children enter WITSEC. At first, Marshall thinks John & his family are charming, but not surprisingly, Mary thinks they're creepy. & as usual, it turns out that Mary is right. Less than a week into the programme, the team discovers that John has a second car, house, wife & daughter – in other words, a second life. As a result, Mary & the rest of the team end up having to keep not one but two families – who just found out about each other – safe & happy.