Watch Grimm Love (2006) HD Full Movie Free on SolarMovie. Watch Grimm Love (2006) online free. In Germany, as graduate student Katie Armstrong researches cannibal killer Oliver Hagen for her thes...In Germany, as graduate student Katie Armstrong researches cannibal killer Oliver Hagen for her thesis, she becomes obsessed with her subject and ultimately plunges into a lifestyle similar to Hagen's and the thousands of people like him.