Special beings from another universe come to Earth with the power to help people relive their happiest memories. In the 90s, a pregnant woman meets one of them, while decades later, the son she gave up for adoption searches for his mother.

In ANGEL, the story spans three timelines, centering on a pregnant drug addict named Celeste, who struggles to find meaning in her life. Desperate and lost, she encounters Hannah, an outcast from her own kind, secretly raising her child, Angel, with Gabriel. In the future, Kurt, the son Celeste gave up for adoption, embarks on a quest to find his mother, aided by Dominique, an enigmatic alien with a special power: helping others relive their happiest memories. As timelines converge, themes of identity, love, and self-discovery are woven together, highlighting personal struggles and the search for hope and purpose across time.