Did the group manage to reel Simon back in before it was too late?
That was a huge question on Shadowhunters Season 2 Episode 15 when it became apparent that he was going to need to get some blood on his hands to get his way.
While his mission went into overdrive, Alec and the team prepared to transport Valentine, but they were shocked by who tried to stop the transfer.
Who was it?
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Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.