“In Our Blood” (*1/2 out of four) was a tawdry horror potboiler about a filmmaker (Brittany O’Grady) who reunites with her estranged mother (Alanna Ubach) for a documentary; when she disappears, her and her cinematographer (E.J. Bonilla) attempt to track her down and wonder if she has relapsed or if a sinister and malicious force is at play. Director Pedro Kos tries to incorporate elements of film-within-a-film, addiction struggles. mother-daughter reconciliation but unfortunately bites off a lot more than he can juggle. Relentless hand-held camerawork will likely make you reach for dramamine and dumb dialogue might make you need an advil.