'Tegkang', the Kelabit word for rainbow, is about Hanafi, a photographer, stressed out looking for fresh inspiration, decided to take a break in a rural village in the highlands of Bario, Sarawak. He met a local girl, Rinai, who grew up there and with her help, Hanafi was able to get to know the village better. As they get closer, Hanafi and Rinai unveiled a big local secret that will change Rinai's life forever.