Matt Bomer and Mark Ruffalo

HBO has released a new full-length trailer for Ryan Murphy's upcoming film The Normal Heart.

Based on Larry Kramer's Tony Award-winning play, The Normal Heart explores the on-set of the HIV/AIDS crisis of the 1980s. The film stars Mark RuffaloMatt BomerTaylor KitschJulia RobertsJim Parsons, and Jonathan Groff.

Out and proud celebrities

Watch the full-length trailer below:

The Normal Heart premieres Sunday, May 25 at 9/8c on HBO. Will you watch?