Liam and Miranda put pressure to the NATS while Simon pursued his search for the terrorist in "Quantico" season 1 episode 17. Also, Alex finds out Caleb's fate in episode 18.

"Quantico" season 1 episode 17 is entitled "Care." According to Spoilers Guide, the NATS was assigned to find out more details about human trafficking at Quantico. As per the publication, Liam and Miranda challenged them to traverse the border of the United States and Canada without passports.

The publication added that the episode saw Simon continue to lend his hand on Alex, who was trying to look for the terrorist. But since they were e looking for bad guys, it was inevitable for Simon's life to be in great peril.

According to TV Line, Shelby is also set to unite with her parents in episode 17. As per the publication, Liam tells the NATS about going back to the campus without the help of either an ID or a passport and he will set Shelby's meet-up with her parents, who are fugitives.

Meanwhile, "Quantico" season 1 episode 18 is entitled "Soon." As per Spoilers Guide, the next episode is set to see Alex learn what happened to Caleb. The NATS checked the members' background to find out who obtains the high-level security clearance at Quantico while Shelby, Alex, and Iris find out some stunning information about Caleb, Will, and Drew.

Aside from learning some surprising truths about Caleb, episode 18 is also set to see Alex contact Claire Haas, who is played by guest star Marcia Cross, for her to find her lost friends. Exposed in a future timeline, Alex also finds out what happened to Caleb.

"Quantico" season 1 episode 17, "Care," aired on Apr. 10 while episode 18, "Soon," is set to air on Apr. 17.