Jace Is Certain That Jonathan Is Behind The Mundane Attacks on 'Shadowhunters'

Clary tries to get Jace to get some sleep in this new clip from tonight’s new episode of Shadowhunters, but he’s just not having it.

In tonight’s ep, “What Lies Beneath”, Jace has a suspicion that Jonathan is back and behind the mundane attacks.

Meanwhile, Simon tries to figure out what The Seelie Queen did to him during his time in the glade; and Alec decides to host a Lightwood family dinner at Magnus’ house after a surprising visit from Maryse.

Shadowhunters airs TONIGHT @ 8PM ET/PT on Freeform.