Echoes of the Past (originally titled Pálpito) is a gripping Colombian thriller that explores the dark underbelly of organ trafficking. The story follows Simón Duque, a man whose life is shattered when his wife is kidnapped and murdered so that her heart can be transplanted into Camila Duarte, the wife of a wealthy and influential man. Driven by grief and a thirst for vengeance, Simón infiltrates the world of organ trafficking to uncover the truth behind his wife's death. As Simón gets closer to the truth, he unexpectedly finds himself falling for Camila, who is struggling with the mysterious origins of her life-saving transplant. The series masterfully weaves together themes of morality, fate, and the consequences of desperate choices, as the two protagonists are caught in a dangerous web of deception, corruption, and forbidden love that threatens to destroy everyone involved.