War

S1, E4: Kaia is threatened by Santos; Justina takes Walter to her apartment; Nico visits his therapist and recalls the night of his brother's death; Santos hatches a plan to take down El Chapa; Kaia arrives at a neighborhood bar where Marqui begs her to get back together; El Chapa and his crew show up at the same bar; Santos storms the neighborhood, sparking a shootout in front of the bar; Marqui and Kaia are caught in the crossfire; Nico decides to go to the police station and confess.