"Penumbra" delves into the enigmatic space between life and death as K. is found floating in his own pool. Guided by a mysterious Stranger, K. revisits his past, exploring the intricacies of love, family, and friendship through poignant flashbacks. Blurring the line between reality and illusion, the film unfolds into a profound exploration of life's transient nature, prompting contemplation on the echoes of existence and the elusive pursuit of redemption.