Stream Girls in Heat Online Free – Watch Full Movie from Home at 123Movies. . The best part of summer are the girls in tiny bikinis, short shorts and big smiles. Girls in Heat is a wall-to-wall gonzo-glam production of some of the cutest girls in the industry alongside some of the most exotic and smoldering beauties the summer heat has brought out of hiding. It's all about curves covered in oil and tight bodies dripping with water as they try to beat the heat.