Cass's lover is Lucas.
And Cass would find this terrifying rather than amusing. We're talking about something that goes against a LOT of stuff Cass believes in (authoritarism "for people's own good"). You can do the confrontation and I'll do the one between Cass and Mary later. Cass would even give Mary a soft "Reason You Suck Speech". I'll guide things somewhat so it's not something that will degenerate into a fight, and Mary will most likely end up accepting her own responsibility in this whole thing.