What is the fine-grained topic of the following text: When Michael (Oscar Isaac), a brilliant medical student, meets Ana (Charlotte Le Bon), their shared Armenian heritage sparks an attraction that explodes into a romantic rivalry between Michael and Ana's boyfriend Chris (Christian Bale), a famous American photojournalist dedicated to exposing political truth. Only return the topic.
Romantic rivalry sparked by Armenian heritage in a love triangle involving a medical student, a woman, and an American photojournalist.