Carmen and Rosa go to the hospital together to give birth. The women are neighbors and their husbands, Pedro and the black man Ramón, have the surname Garcia. When the Garcias meet their daughters, the surprise is undeniable. Pedro believes that the brunette baby the nurse gave him doesn't look like them, and the black Ramón swears that the blonde child they gave to his wife is not theirs. Thus, the incredible story of neighbors Garcia and their daughters begins: two girls swapped on the day of their birth – or after.