Watch Movies2Watch. 'Catalyst' follows two brothers searching for closure while coping with their parent's divorce. The younger brother, Terrence (Justice Rieth) looks above, to God and the church. The older brother, Keeran (Nick Kavanaugh) hopes a friendship he has with a talented classmate (Erika Sorenson) can turn into more, proving to himself that he will not take the same road as his parents.