In 1971, in anticipation of the Pan American Games to be held in Cali, Colombia, the overwhelming pace of the city's development is the topic of conversation at a multifamily celebration.

As they announce to their neighbors the news of her starting college and his first test flight, Soledad and Samuel's parents could not be prouder of them.

Fernando continues his push for a sister for Luchito, but Fabiola's not having it. Meanwhile, Soledad makes new and interesting acquaintances at college.

While things couldn't be going better for Samuel in the Colombian Air Force, his brother Pedro continues with his old antics, much to his mother's chagrin.

As Samuel tries to convince Soledad to attend the student demonstration, Fabiola goes to the pharmacy looking for much more than her son's cough syrup.

Pilar is determined to do whatever she wants, even if it goes against her mother's wishes. Meanwhile, Samuel and Soledad each seem to have met someone who challenges them... and may change the course of their lives.

As Pilar tries unsuccessfully to convince her father regarding the pictures she wants to have taken, Soledad finally manages to let her guard down a bit with her new friend.

Upon her arrival home, Soledad is still feeling the effects of the birthday cake she consumed at the party, leaving her family baffled by her strange behavior.

As the hot pants debate continues in the neighborhood, Pedro has to go to extremes to secure his first client as a music manager.

Don Pepe gets caught between a rock and a hard place. What will he do? Meanwhile, Pedro's first night at the radio station does not go exactly as planned.

As new information comes to light about Pedro and Eddy, the arrival of the new neighbors brings curiosity, and a new dynamic, to the block.

As the new neighbors settle into their new home, the inhabitants of the neighborhood begin to interact with them, each in their own way.

As Pedro and Eddy try to find the support they need to make their dreams come true, Fernando and Fabiola contemplate the possibility of fulfilling one of their own with a new investment.

As Mariela attends a ballet audition, Pepe and Checho's wives pressure them to go have a word with their new neighbors.

As Soledad commits herself to a new cause, Fernando arrives in the neighborhood with a surprise that causes a stir among his neighbors, as well as his wife.