When does Dexter: New Blood return?

The story is set ten years after the events of the original series finale, "Remember the Monsters?", which was broadcast in 2013. The show features Michael C. Hall and Jennifer Carpenter reprising their roles as Dexter and Debra Morgan, respectively, alongside new cast members Jack Alcott, Julia Jones, Johnny Sequoyah, Alano Miller, and Clancy Brown. A second season, centered on the character of Dexter's son Harrison, is in development.
Dexter Morgan has moved to Iron Lake, New York, hiding his identity under the name of Jim Lindsay, a clerk at a local wilderness sporting gear store. He has been successfully suppressing his vigilante serial killing urges. In the first episode, his estranged son Harrison from his previous life arrives unannounced with mysterious motives.