Box of Memories (S01E07)

Five years prior, Betty and Armando hosted a festive celebration for Mila's 15th birthday. The joyous atmosphere is disrupted when Mario Calderón reappears, stirring up tension between Armando and Betty. Simultaneously, Marcela and Nacho forge a clandestine partnership. When Betty discovers Marcela and Armando in a compromising position, she makes the difficult decision to leave him, marking a turning point in their relationship.