Only weeks ago, Avery pulled her best friend, Key, from the deadly black water. The cycle from her family’s Kanyen’kehá:ka (Mohawk) stories is finally broken, the black water is now a harmless lake, and her problems are far from supernatural: all Avery wants is a normal summer with Key, her now-boyfriend.

The trauma, however, casts a long shadow over the town. Some victims never returned. Terrifying memories threaten to resurface, but Avery pushes them down. Who she’s really worried about is Key. The two are supposed to be closer than ever—so why does he feel so distant?

Wracked by anxiety, Avery begins to see a chilling reflection in every mirror, one that moves on its own—and she’s not the only one. With her family’s safety in the balance, Avery must decide: run away to the safety of normal life with Key, or return to lake’s edge and face her reflection, before her home is subsumed by darkness once and for all….