In the 17th century, six families with supernatural powers make a pact of silence. Eventually, one power-hungry family was banished. The descendants of those five remaining families are heirs to tremendous power. Known as the Children of Ipswich, the Caleb, Pogue, Reid, Tyler, and Haven attend elite Spencer Academy. When a student there is found dead after a party, unraveling secrets threaten to shatter the pact that has protected the teens' families for centuries.