S5, E12: With Alison leading them down a dangerous path and “A” barring them from telling the police the truth, Aria, Emily, Hanna and Spencer feel trapped and are desperate to find a way out of this mess. But could the girls lose everything by putting their faith in a possibly untrustworthy ally? Meanwhile, Alison begins to build up her own army now that the PLLs have turned their back on her.