Watch I Know You're in There (2016) HD Full Movie Free on SolarMovie. Watch I Know You're in There (2016) online free. When his mother commits suicide, Tom Redding discovers he has a long lost sister who cannot move or ...When his mother commits suicide, Tom Redding discovers he has a long lost sister who cannot move or talk. Together they travel to their dead mother's isolated home where Tom hopes to document his sister's illness, only to be driven to the brink of madness by a supernatural evil.