Sourwood

Reed and Leighton thought all their family secrets died with their parents. That is, until the siblings received a call from their estranged grandmother, Violet, who had been searching for them for years. She gives them surprising news: their grandfather Royce will pass soon, and a sizable inheritance awaits them on one condition—they pay a visit to Ashfeld Manor, their ancestral home.

The siblings, each with their own hidden motivations, agree. But nothing at Ashfeld Manor is as it seems. ...