Watch A Deadly Threat to My Family (2024) HD Full Movie Free on SolarMovie. Watch A Deadly Threat to My Family (2024) online free. Marielle becomes suspicious when her sister-in-law escapes from a cult and seeks refuge at her home....Marielle becomes suspicious when her sister-in-law escapes from a cult and seeks refuge at her home. When another cult member shows up on her doorstep, she fears her daughter is their next target.