Catalina's mum goes out on the pretense of going to the doctor meanwhile she went to meet her friends.
Catalina asks her sister to boil water while she goes to get foodstuffs to cook something for their mother.
She almost gets hit by Eduardo who is driving around with Silvia who wants to buy him a gym
Catalina pressures her sister so much she has to give in that's her mother is faking the sickness.
Catalina can't believe it. the parents enter and are still faking it not knowing Catalina has found out....she tells they
can't be her family.