Carminha Frufru's big party is sabotaged, and an investigation begins in which Mônica is the prime suspect. She describes her disagreement with Carminha since her arrival in the neighborhood.
Magali gives her testimony and talks about how she ended up committing to Mônica, Carminha and Quinzinho. She tries to please everyone, but it's impossible to be in three places at once.
Cebolinha is enchanted by Carminha, but Denise believes he is still loyal to Mônica. In his testimony, the king of "infallible plans" will have to clarify which side he is on.
Cascão declares his dislike for Carminha, whose bad taste jokes make him isolate himself. Staying away from the group makes him go after uncle Feitoso, who also moved away from the family.
Milena says she has nothing against Carminha. But in her testimony, she reveals how trying to hide an unlikely secret ended up putting her in the middle of the sabotage.
Madame Frufru's arrival at the party interrupts the investigation. The gang hides around the mansion, each with their own goals and secrets. Mônica makes a bombshell revelation.
A new testimony changes the course of the investigation. Details about Carminha's past are revealed and a big secret comes to light. Cebolinha makes a shocking new discovery.
The great loose end of the mystery appears. A sabotage begins to be put into practice. Mônica, overcoming her insecurities, takes the lead and unites the group to solve the problem.
