Big plot points to remember: Ali bribed someone at a phone company to try to find out who was sending her blocked messages. Maya and Emily quarrel. A. tries to out Aria and Ezra to Byron, but fails because Aria cancels her dinner date with Ezra to attend Holden’s martial arts competition. Holden also has a heart condition. Caleb’s laptop is impounded for having private school information on it, but Hanna and Spencer hack in and erase the incriminating file.