When Kôsuke was 14 years old, his mother died. He spent his adolescence in a rural village and suppressed his feelings as a gay male. Now, Kôsuke (Ryohei Suzuki) has grown up and works as a fashion magazine editor in Tokyo. He meets Ryûta (Hio Miyazawa), who works as a personal trainer. Ryûta's mother raised him alone and he is close to his mom. Kôsuke and Ryûta become attracted to each other and they sometimes spend time with Ryûta's mother. Kôsuke is happy to share time with Ryûta and his mother, which makes him remember his late mother. Kôsuke and Ryûta make an appointment to go for a drive together, but, on that day, Ryûta does not show up.

Michael, terrified of pursuing his musical dreams and exploring romantic intimacy, relies on his best friend and her girlfriend for support and affection. However, when he meets a newly open married couple seeking a casual encounter, the three men enter into a relationship that is more vulnerable than any of them ever expected.

Past and present collide when an Iranian American trans man time-travels through the LGBTQ+ archive on a dizzying and erotic quest to unravel his own sexual desires. Rendered in hybrid documentary and stylized dramatizations, DESIRE LINES is a provocative exploration of evolving trans sexuality and identity directed by Jules Rosskam (Paternal Rites, Against a Trans Narrative) and featuring Theo Germaine and Aden Hakimi.