Answer the following Q with stream of consciousness. Passage: Call Me by Your Name is a 2017 coming-of-age drama film directed by Luca Guadagnino and written by James Ivory, based on the 2007 novel of the same name by André Aciman. It is the final installment in Guadagnino's thematic Desire trilogy, following I Am Love (2009) and A Bigger Splash (2015). Set in Northern Italy in 1983, Call Me by Your Name chronicles the romantic relationship between Elio Perlman (Timothée Chalamet), a 17-year-old living in Italy, and his father's 24-year-old American assistant, Oliver (Armie Hammer). The film also stars Michael Stuhlbarg, Amira Casar, Esther Garrel, and Victoire Du Bois.

Question: Based on this passage, what is the call me by your name movie about?
This is the relevant information: Set in Northern Italy in 1983, Call Me by Your Name chronicles the romantic relationship between Elio Perlman (Timothée Chalamet), a 17-year-old living in Italy, and his father's 24-year-old American assistant, Oliver (Armie Hammer). Therefore, the final answer is the romantic relationship between Elio Perlman ( Timothée Chalamet ) , a 17 - year - old living in Italy , and his father 's 24 - year - old American assistant , Oliver ( Armie Hammer ).