Oscar was the love interest of Faith Harrington, He was a member of an extremist environmental activist group. They met when he was protesting outside the University where Dr. Arreglo, one of Faith's professors, worked. Oscar was responsible for tricking Faith into going to Australia with him. When they got there Oscar went with Faith to a meeting with Dr. Arreglo. He then injected snake venom into the professor. Oscar wanted her to leave the country with him and start a new life. However, she hit him over the head with a metal bucket, knocking him unconscious, and left him.