Surgery is like hunting, if you are going for a rabbit, be ready to face a tiger. Abdomen is like a magic box, clinicians suspect one thing, radiologists conclude other thing and surgeons surprise us by extracting something else. CASE REPORT: A 35 years old 1,2 female, Para 3 Living 3 with tubectomy done 12 years back having all full term vaginal deliveries came with chief complaints of pain in abdomen and discomfort in vagina since 4 months. There was no history of any menstrual or bowel, bladder complaints. General and systemic examinations were within normal limits. On per abdominal examination liver and spleen were not palpable, umbilicus was in normal position, and there was a firm mass arising from pelvis about 18 weeks' pregnancy size, mobile, non-tender, no evidence of ascites. On per speculum examination, cervix was taken up and not visualized. There was bogginess in posterior fornix of vagina. On per vaginal examination, cervix was pinpoint ; retro pubic and taken up, about 18 weeks' pregnancy size mass was felt. The movements of mass were transmitted to cervix; uterus could not be made out separately. Her lab profile values were within normal limits with hemoglobin 10.5 gm%. On ultrasonography findings 3 there was huge isoechoic mass of size 112 x 80 millimeters occupying right pelvic region and extending upwards probably arising from right ovary, uterus normal, and left ovary normal-findings suggestive of ? Right ovarian dermoid. 4 On computed tomography, right ovary showed well defined circular lesion of 115 x 105 millimeter with regular borders without calcification, uterus-normal, left ovary-normal-findings suggestive of right Ovarian Dermoid Cyst. 4