The Foster kids attend a Mexican street festival, but the fun day takes a turn when emotions flare up. With help from Wyatt, Callie works to overcome her recent bout of panic attacks by learning to trust her instincts, but an encounter with someone from the past threatens to violently derail her progress. Mat surprises Mariana with a date at the festival and is confused when Mariana seems offended. Jesus tries to impress Hayley but she wants him to prove he's with her for more than just sex. Meanwhile, Mike and Ana make plans to right past wrongs.