Bo and Dyson take on a case at a wellness clinic where human patients are acting strangely. Kenzi finds herself in grave danger.
Mary aligns herself with France as the threat of England looms; Condé makes an audacious move; Kenna and Gen. Renaude grow closer.
A prominent Boston family discovers that one of its own may be behind a series of infamous grisly killings as the case of "The Silver Bells Killer" is reopened.
Tragedy strikes the Hawthornes; Cam, Tessa and Alison look for an explanation for the silver bells they found; Garrett plans to expose a family secret; the police inquiry into the "Silver Bells Killer" sends Brady on a hunt for DNA.
